SB20261029163 - Debian update for firefox-esr



SB20261029163 - Debian update for firefox-esr

Published: October 29, 2026

Security Bulletin ID SB20261029163
CSH Severity
High
Patch available
YES
Number of vulnerabilities 145
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 26% Medium 51% Low 23%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 145 vulnerabilities.


1) Improper privilege management (CVE-ID: CVE-2026-100801)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escalate privileges.

The vulnerability exists due to improper privilege management in the DLL Services component when processing content. A remote attacker can trigger the component issue to escalate privileges.


2) Origin validation error (CVE-ID: CVE-2026-117860)

CWE-ID: CWE-346 - Origin Validation Error

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass the same-origin policy and potentially access cross-origin information.

The vulnerability exists due to improper origin validation in the DOM: Navigation component when handling navigation. A remote attacker can supply crafted web content to cross origin boundaries and potentially access otherwise restricted information.


3) Protection mechanism failure (CVE-ID: CVE-2026-117861)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to insufficient isolation in the DOM: Navigation component when handling navigation. A remote attacker can exploit crafted navigation behavior to cross the sandbox security boundary.


4) Input validation error (CVE-ID: CVE-2026-117862)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escalate privileges.

The vulnerability exists due to improper handling of boundary conditions in the networking component when processing network-related input. A remote attacker can supply crafted input to trigger incorrect boundary handling and escalate privileges.


5) Use of uninitialized resource (CVE-ID: CVE-2026-117863)

CWE-ID: CWE-908 - Use of Uninitialized Resource

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to use of uninitialized memory in the audio/video component when processing media content. A remote attacker can supply crafted media content to trigger use of uninitialized memory and disclose information from that memory.


6) Protection mechanism failure (CVE-ID: CVE-2026-117864)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to insufficient isolation in the Form Manager component when handling forms. A remote attacker can trigger crafted form-related behavior to cross the sandbox security boundary.


7) Use-after-free (CVE-ID: CVE-2026-117865)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the JavaScript: GC component when managing object lifetimes. A remote attacker can supply crafted script content to trigger access to freed memory, potentially causing a crash or code execution.


8) Use-after-free (CVE-ID: CVE-2026-117866)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escalate privileges.

The vulnerability exists due to use-after-free in the Canvas2D graphics component when processing canvas content. A remote attacker can supply crafted content to trigger access to freed memory and escalate privileges.


9) Use-after-free (CVE-ID: CVE-2026-117867)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the layout component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


10) Protection mechanism failure (CVE-ID: CVE-2026-117868)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape the browser sandbox.

The vulnerability exists due to improper enforcement of sandbox restrictions in the DOM networking component when handling network-related operations. A remote attacker can trigger crafted operations to cross the browser sandbox boundary.


11) Use-after-free (CVE-ID: CVE-2026-117869)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


12) Use-after-free (CVE-ID: CVE-2026-117870)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the JavaScript engine when processing scripts. A remote attacker can supply crafted script content to trigger access to freed memory and potentially crash the browser.


13) Buffer overflow (CVE-ID: CVE-2026-117871)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to invalid pointer handling in the Graphics component when processing graphics. A remote attacker can supply crafted graphical content to trigger invalid memory access and potentially crash the browser.


14) Use-after-free (CVE-ID: CVE-2026-117872)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the JavaScript standard library when processing script operations. A remote attacker can supply crafted script content to trigger access to freed memory and potentially crash the browser.


15) Input validation error (CVE-ID: CVE-2026-117873)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt media playback or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the audio/video playback component when processing media content. A remote attacker can supply crafted media input to trigger incorrect boundary handling and potentially disrupt playback or browser operation.


16) Use-after-free (CVE-ID: CVE-2026-117874)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the internationalization component when processing content requiring internationalization operations. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


17) Use-after-free (CVE-ID: CVE-2026-117875)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Layout: Scrolling and Overflow component when processing page layout. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


18) Use-after-free (CVE-ID: CVE-2026-117876)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the text and fonts layout component when laying out text content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


19) Use-after-free (CVE-ID: CVE-2026-117877)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Layout: Text and Fonts component when laying out text. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


20) Use-after-free (CVE-ID: CVE-2026-117878)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the IndexedDB storage component when processing database operations. A remote attacker can trigger crafted operations to access freed memory and potentially crash the browser.


21) Input validation error (CVE-ID: CVE-2026-117879)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt page layout or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the table layout component when laying out table content. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt rendering or browser operation.


22) Use-after-free (CVE-ID: CVE-2026-117880)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the XML component when processing XML content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


23) Use-after-free (CVE-ID: CVE-2026-117881)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


24) Use-after-free (CVE-ID: CVE-2026-117882)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the layout component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


25) Use-after-free (CVE-ID: CVE-2026-117883)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM HTML parser when parsing HTML content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


26) Use-after-free (CVE-ID: CVE-2026-117884)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the networking component when processing network-related content. A remote attacker can supply crafted input to trigger access to freed memory and potentially crash the browser.


27) Use-after-free (CVE-ID: CVE-2026-117885)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Layout: Grid component when laying out grids. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


28) Input validation error (CVE-ID: CVE-2026-117886)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt text rendering or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the text graphics component when processing text for rendering. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt rendering or browser operation.


29) Use-after-free (CVE-ID: CVE-2026-117887)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


30) Use of uninitialized resource (CVE-ID: CVE-2026-117888)

CWE-ID: CWE-908 - Use of Uninitialized Resource

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disclose memory contents or disrupt browser operation.

The vulnerability exists due to use of uninitialized memory in the Graphics: Canvas2D component when processing canvas operations. A remote attacker can trigger use of indeterminate memory values through crafted content, potentially exposing residual data or causing incorrect behavior.


31) Input validation error (CVE-ID: CVE-2026-117889)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt script processing or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the JavaScript engine when processing scripts. A remote attacker can supply crafted script content to trigger incorrect boundary handling and potentially disrupt script execution or browser operation.


32) Incorrect calculation (CVE-ID: CVE-2026-117890)

CWE-ID: CWE-682 - Incorrect Calculation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause incorrect script execution that may disrupt browser operation.

The vulnerability exists due to incorrect code generation in the JavaScript Engine: JIT component when compiling scripts. A remote attacker can supply crafted scripts to trigger miscompilation and potentially cause incorrect execution or browser instability.


33) Use-after-free (CVE-ID: CVE-2026-117891)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the JavaScript engine's just-in-time compilation component when processing scripts. A remote attacker can supply crafted script content to trigger access to freed memory and potentially crash the browser.


34) Use-after-free (CVE-ID: CVE-2026-117892)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escalate privileges.

The vulnerability exists due to use-after-free in the WebRTC networking component when processing WebRTC network operations. A remote attacker can trigger crafted operations to access freed memory and escalate privileges.


35) Input validation error (CVE-ID: CVE-2026-117893)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially interfere with security-related processing.

The vulnerability exists due to improper handling of boundary conditions in the security PSM component when processing security-related input. A remote attacker can supply crafted input to trigger incorrect boundary handling and potentially disrupt security-related operations.


36) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117894)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the WebRTC: Signaling component when processing signaling activity. A remote attacker can trigger crafted signaling activity to cause unexpected behavior that may disrupt browser operation.


37) Use-after-free (CVE-ID: CVE-2026-117895)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


38) Use-after-free (CVE-ID: CVE-2026-117896)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


39) Input validation error (CVE-ID: CVE-2026-117897)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt page layout or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the table layout component when laying out table content. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt rendering or browser operation.


40) Use-after-free (CVE-ID: CVE-2026-117898)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the JavaScript Engine: JIT component when processing scripts. A remote attacker can supply crafted scripts to trigger access to freed memory, potentially causing a crash or code execution.


41) Use-after-free (CVE-ID: CVE-2026-117899)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the HTTP networking component when processing HTTP-related input. A remote attacker can supply crafted input to trigger access to freed memory and potentially crash the browser.


42) Use-after-free (CVE-ID: CVE-2026-117900)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM editor component when processing editing operations. A remote attacker can trigger crafted operations to access freed memory and potentially crash the browser.


43) Use-after-free (CVE-ID: CVE-2026-117901)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


44) Use-after-free (CVE-ID: CVE-2026-117902)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Layout: Text and Fonts component when laying out text. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


45) Use-after-free (CVE-ID: CVE-2026-117903)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the audio/video component when processing media content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


46) Use-after-free (CVE-ID: CVE-2026-117904)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the JavaScript: GC component when managing object lifetimes. A remote attacker can supply crafted scripts to trigger access to freed memory, potentially causing a crash or code execution.


47) Use-after-free (CVE-ID: CVE-2026-117905)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the audio/video playback component when processing media playback. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


48) Use-after-free (CVE-ID: CVE-2026-117906)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the CSS parsing and computation component when processing styles. A remote attacker can supply crafted style content to trigger access to freed memory and potentially crash the browser.


49) Use-after-free (CVE-ID: CVE-2026-117907)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the networking component when processing network-related content. A remote attacker can supply crafted input to trigger access to freed memory and potentially crash the browser.


50) Use-after-free (CVE-ID: CVE-2026-117908)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the ImageLib graphics component when processing image content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


51) Use-after-free (CVE-ID: CVE-2026-117909)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the JavaScript: GC component when managing object lifetimes. A remote attacker can supply crafted scripts to trigger access to freed memory, potentially causing a crash or code execution.


52) Buffer overflow (CVE-ID: CVE-2026-117910)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to invalid pointer handling in the JavaScript Engine component when processing scripts. A remote attacker can supply crafted scripts to trigger invalid memory access and potentially crash the browser.


53) Use-after-free (CVE-ID: CVE-2026-117911)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the audio/video playback component when processing media playback. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


54) Origin validation error (CVE-ID: CVE-2026-117912)

CWE-ID: CWE-346 - Origin Validation Error

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass the same-origin policy and potentially access information across origin boundaries.

The vulnerability exists due to improper enforcement of the same-origin policy in the CSS parsing and computation component when processing styles involving different origins. A remote attacker can supply crafted style content to bypass origin restrictions and potentially obtain information that should be isolated.


55) Use-after-free (CVE-ID: CVE-2026-117913)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the SVG component when processing SVG content. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


56) Use-after-free (CVE-ID: CVE-2026-117914)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the SVG component when processing SVG content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


57) Input validation error (CVE-ID: CVE-2026-117915)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt page layout or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the block and inline layout component when laying out web content. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt rendering or browser operation.


58) Use-after-free (CVE-ID: CVE-2026-117916)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the XSLT component when processing transformations. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


59) Buffer overflow (CVE-ID: CVE-2026-117917)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to improper handling of an invalid pointer in the WebRender graphics component when rendering content. A remote attacker can supply crafted content to trigger an invalid memory access and potentially crash the browser.


60) Use-after-free (CVE-ID: CVE-2026-117918)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the Canvas2D graphics component when processing canvas content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


61) Use-after-free (CVE-ID: CVE-2026-117919)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


62) Use-after-free (CVE-ID: CVE-2026-117920)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the DOM: HTML Parser component when parsing HTML. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


63) Use-after-free (CVE-ID: CVE-2026-117921)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the CSS parsing and computation component when processing styles. A remote attacker can supply crafted style content to trigger access to freed memory and potentially crash the browser.


64) Use-after-free (CVE-ID: CVE-2026-117922)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the WebSockets networking component when processing WebSocket operations. A remote attacker can trigger crafted operations to access freed memory and potentially crash the browser.


65) Use-after-free (CVE-ID: CVE-2026-117923)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the audio/video component when processing media content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


66) Use-after-free (CVE-ID: CVE-2026-117924)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the XSLT component when processing transformations. A remote attacker can supply crafted transformation content to trigger access to freed memory and potentially crash the browser.


67) Use-after-free (CVE-ID: CVE-2026-117925)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


68) Input validation error (CVE-ID: CVE-2026-117926)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt SVG processing or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the SVG component when processing SVG content. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt rendering or browser operation.


69) Use-after-free (CVE-ID: CVE-2026-117927)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the SVG component when processing SVG content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


70) Origin validation error (CVE-ID: CVE-2026-117928)

CWE-ID: CWE-346 - Origin Validation Error

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass the same-origin policy and potentially access cross-origin information.

The vulnerability exists due to improper origin validation in the CSS Parsing and Computation component when processing styles. A remote attacker can supply crafted web content to cross origin boundaries and potentially access otherwise restricted information.


71) Use-after-free (CVE-ID: CVE-2026-117929)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


72) Use-after-free (CVE-ID: CVE-2026-117930)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM WebIDL bindings component when processing DOM interface operations. A remote attacker can trigger crafted operations to access freed memory and potentially crash the browser.


73) Use-after-free (CVE-ID: CVE-2026-117931)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM events component when processing events. A remote attacker can trigger crafted event operations to access freed memory and potentially crash the browser.


74) Use-after-free (CVE-ID: CVE-2026-117932)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the DOM: Core & HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


75) Use-after-free (CVE-ID: CVE-2026-117933)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to unsafe access to poisoned layout-frame memory in the CSS Parsing and Computation component when processing styles. A remote attacker can supply crafted content to trigger invalid frame access and potentially crash the browser.


76) Use-after-free (CVE-ID: CVE-2026-117934)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the layout component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


77) Use-after-free (CVE-ID: CVE-2026-117935)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM WebIDL bindings component when processing DOM interface operations. A remote attacker can trigger crafted operations to access freed memory and potentially crash the browser.


78) Use-after-free (CVE-ID: CVE-2026-117936)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


79) Buffer overflow (CVE-ID: CVE-2026-117937)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to improper handling of an invalid pointer in the JavaScript engine when processing scripts. A remote attacker can supply crafted script content to trigger an invalid memory access and potentially crash the browser.


80) Use-after-free (CVE-ID: CVE-2026-117938)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the layout component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


81) Use-after-free (CVE-ID: CVE-2026-117939)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the XML component when processing XML content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


82) Use-after-free (CVE-ID: CVE-2026-117940)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the DOM: Core & HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


83) Use-after-free (CVE-ID: CVE-2026-117941)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM CSS object model component when processing style-related DOM operations. A remote attacker can trigger crafted operations to access freed memory and potentially crash the browser.


84) Input validation error (CVE-ID: CVE-2026-117942)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt script processing or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the JavaScript engine's just-in-time compilation component when processing scripts. A remote attacker can supply crafted script content to trigger incorrect boundary handling and potentially disrupt script execution or browser operation.


85) Use-after-free (CVE-ID: CVE-2026-117943)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


86) Use-after-free (CVE-ID: CVE-2026-117944)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the layout component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


87) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117945)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the XML component when processing XML content. A remote attacker can supply crafted content to trigger unexpected behavior that may disrupt browser operation.


88) Input validation error (CVE-ID: CVE-2026-117946)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt script processing or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the JavaScript engine when processing scripts. A remote attacker can supply crafted script content to trigger incorrect boundary handling and potentially disrupt script execution or browser operation.


89) Use-after-free (CVE-ID: CVE-2026-117947)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the XML component when processing XML content. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


90) Use-after-free (CVE-ID: CVE-2026-117948)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the SVG component when processing SVG content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


91) Use-after-free (CVE-ID: CVE-2026-117949)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


92) Input validation error (CVE-ID: CVE-2026-117950)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt web content processing or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt browser operation.


93) Use-after-free (CVE-ID: CVE-2026-117951)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


94) Use of uninitialized resource (CVE-ID: CVE-2026-117952)

CWE-ID: CWE-908 - Use of Uninitialized Resource

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disclose sensitive information or disrupt browser operation.

The vulnerability exists due to use of uninitialized memory in the networking component when processing network-related input. A remote attacker can supply crafted input to trigger use of indeterminate memory contents, potentially exposing residual information or causing incorrect processing.


95) Use-after-free (CVE-ID: CVE-2026-117953)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the DOM: Core & HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


96) Use-after-free (CVE-ID: CVE-2026-117954)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the positioned layout component when laying out positioned content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


97) Incorrect calculation (CVE-ID: CVE-2026-117955)

CWE-ID: CWE-682 - Incorrect Calculation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause incorrect WebAssembly execution that may disrupt browser operation.

The vulnerability exists due to incorrect code generation in the JavaScript: WebAssembly component when compiling WebAssembly content. A remote attacker can supply crafted content to trigger miscompilation and potentially cause incorrect execution or browser instability.


98) Buffer overflow (CVE-ID: CVE-2026-117956)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to invalid pointer handling in the Nimbus Desktop Client component when processing component input. A remote attacker can supply crafted input to trigger invalid memory access and potentially crash the browser.


99) Cryptographic issues (CVE-ID: CVE-2026-117957)

CWE-ID: CWE-310 - Cryptographic Issues

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially compromise the protection of WebRTC communications.

The vulnerability exists due to a cryptographic weakness in the WebRTC: Networking component when protecting communications. A remote attacker can exploit the cryptographic defect to potentially undermine communication confidentiality or integrity.


100) Improper isolation or compartmentalization (CVE-ID: CVE-2026-117958)

CWE-ID: CWE-653 - Improper isolation or compartmentalization

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to weaken site isolation and potentially access information across site boundaries.

The vulnerability exists due to insufficient compartmentalization in the Networking: HTTP component when handling HTTP activity. A remote attacker can trigger crafted network activity to undermine separation between sites and potentially access otherwise isolated information.


101) Improper isolation or compartmentalization (CVE-ID: CVE-2026-117959)

CWE-ID: CWE-653 - Improper isolation or compartmentalization

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to weaken site isolation and potentially access information across site boundaries.

The vulnerability exists due to insufficient compartmentalization in the DOM: Service Workers component when handling service worker activity. A remote attacker can supply crafted content to undermine separation between sites and potentially access otherwise isolated information.


102) Insufficient verification of data authenticity (CVE-ID: CVE-2026-117960)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to present misleading content and potentially deceive users.

The vulnerability exists due to insufficient authenticity enforcement in the DOM: Core & HTML component when presenting web content. A remote attacker can supply crafted content to spoof its presentation and potentially mislead users about its authenticity.


103) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117961)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the Layout: Text and Fonts component when laying out text. A remote attacker can supply crafted content to trigger unexpected behavior that may disrupt browser operation.


104) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117962)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to incorrect handling of boundary conditions in the Storage: Quota Manager component when processing storage operations. A remote attacker can trigger mishandled boundary conditions through crafted activity to cross the sandbox security boundary.


105) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117963)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the DOM: Service Workers component when processing service worker activity. A remote attacker can supply crafted content to trigger unexpected behavior that may disrupt browser operation.


106) Use-after-free (CVE-ID: CVE-2026-117964)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Panning and Zooming component when handling page movement or scaling. A remote attacker can trigger access to freed memory through crafted content, potentially causing a crash or code execution.


107) Origin validation error (CVE-ID: CVE-2026-117965)

CWE-ID: CWE-346 - Origin Validation Error

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass the same-origin policy and potentially access cross-origin information.

The vulnerability exists due to improper origin validation in the Address Bar component when handling navigation input. A remote attacker can supply crafted navigation input to cross origin boundaries and potentially access otherwise restricted information.


108) Protection mechanism failure (CVE-ID: CVE-2026-117966)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to undermine site isolation and potentially access information across site boundaries.

The vulnerability exists due to improper enforcement of site-isolation boundaries in the HTTP networking component when processing network-related content. A remote attacker can supply crafted content to interfere with site separation and potentially access information that should remain isolated.


109) Protection mechanism failure (CVE-ID: CVE-2026-117967)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass browser security restrictions.

The vulnerability exists due to improper enforcement of security controls in the DOM: Security component when processing web content. A remote attacker can supply crafted content to circumvent an intended security restriction.


110) Use-after-free (CVE-ID: CVE-2026-117968)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the DOM core and HTML component when processing web content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


111) Buffer overflow (CVE-ID: CVE-2026-117969)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to invalid pointer handling in the JavaScript Engine: JIT component when processing scripts. A remote attacker can supply crafted scripts to trigger invalid memory access and potentially crash the browser.


112) Race condition (CVE-ID: CVE-2026-117970)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to a race condition in the Disability Access APIs component when concurrent operations access shared state. A remote attacker can trigger competing operations to produce inconsistent state and potentially disrupt browser operation.


113) Use-after-free (CVE-ID: CVE-2026-117971)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape the browser sandbox.

The vulnerability exists due to use-after-free in the print preview component when processing content for print preview. A remote attacker can supply crafted content that triggers access to freed memory during preview processing to cross the browser sandbox boundary.


114) Use-after-free (CVE-ID: CVE-2026-117972)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Graphics component when processing graphics. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


115) Use-after-free (CVE-ID: CVE-2026-117973)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Networking: DNS component when processing name-resolution activity. A remote attacker can trigger access to freed memory through crafted network activity, potentially causing a crash or code execution.


116) Use-after-free (CVE-ID: CVE-2026-117974)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to use-after-free in the XML component when processing XML content. A remote attacker can supply crafted content to trigger access to freed memory and potentially crash the browser.


117) Buffer overflow (CVE-ID: CVE-2026-117975)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to invalid pointer handling in the Graphics: WebRender component when rendering content. A remote attacker can trigger invalid memory access through crafted content to cross the sandbox security boundary.


118) Improper isolation or compartmentalization (CVE-ID: CVE-2026-117976)

CWE-ID: CWE-653 - Improper isolation or compartmentalization

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to weaken site isolation and potentially access information across site boundaries.

The vulnerability exists due to insufficient compartmentalization in the DOM: Navigation component when handling navigation. A remote attacker can supply crafted navigation content to undermine separation between sites and potentially access otherwise isolated information.


119) Protection mechanism failure (CVE-ID: CVE-2026-117977)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient implementation of security measures in Console component. A remote attacker can bypass implemented security restrictions.


120) Input validation error (CVE-ID: CVE-2026-117978)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt graphics processing or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the graphics component when processing graphical content. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt rendering or browser operation.


121) Input validation error (CVE-ID: CVE-2026-117979)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt rendering or cause a denial of service.

The vulnerability exists due to improper handling of boundary conditions in the WebRender graphics component when rendering content. A remote attacker can supply crafted content to trigger incorrect boundary handling and potentially disrupt rendering or browser operation.


122) Use-after-free (CVE-ID: CVE-2026-117980)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Graphics component when processing graphics. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


123) Improper privilege management (CVE-ID: CVE-2026-117981)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escalate privileges.

The vulnerability exists due to improper privilege management in the Toolkit component when handling component operations. A remote attacker can exploit the component's privilege handling to gain privileges beyond those intended.


124) Buffer overflow (CVE-ID: CVE-2026-117982)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service.

The vulnerability exists due to invalid pointer handling in the JavaScript Engine: JIT component when processing scripts. A remote attacker can supply crafted scripts to trigger invalid memory access and potentially crash the browser.


125) Use-after-free (CVE-ID: CVE-2026-117983)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Graphics component when processing graphics. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


126) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117984)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the Layout: Scrolling and Overflow component when processing page layout. A remote attacker can supply crafted content to trigger unexpected behavior that may disrupt browser operation.


127) Use-after-free (CVE-ID: CVE-2026-117985)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to use-after-free in the Graphics component when processing graphics. A remote attacker can trigger access to freed memory through crafted content to cross the sandbox security boundary.


128) Use-after-free (CVE-ID: CVE-2026-117986)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Graphics component when processing graphics. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


129) Use-after-free (CVE-ID: CVE-2026-117987)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Graphics component when processing graphics. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


130) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117988)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to incorrect handling of boundary conditions in the Graphics: CanvasWebGL component when processing WebGL operations. A remote attacker can trigger mishandled boundary conditions through crafted content to cross the sandbox security boundary.


131) Use-after-free (CVE-ID: CVE-2026-117989)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the Graphics component when processing graphics. A remote attacker can supply crafted content to trigger access to freed memory, potentially causing a crash or code execution.


132) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117990)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to incorrect handling of boundary conditions in the Graphics: WebRender component when rendering content. A remote attacker can trigger mishandled boundary conditions through crafted content to cross the sandbox security boundary.


133) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117991)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the Layout: Text and Fonts component when laying out text. A remote attacker can supply crafted content to trigger unexpected behavior that may disrupt browser operation.


134) Information disclosure (CVE-ID: CVE-2026-117992)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to unintended information exposure in the CSS parsing and computation component when processing styles. A remote attacker can supply crafted style content to obtain information that should not be exposed.


135) Integer overflow (CVE-ID: CVE-2026-117993)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation through incorrect integer calculations.

The vulnerability exists due to integer overflow in the Graphics: Text component when calculating values for text processing. A remote attacker can supply crafted content to exceed an integer's representable range, potentially causing incorrect calculations or browser instability.


136) Use-after-free (CVE-ID: CVE-2026-117994)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially cause a denial of service or execute arbitrary code.

The vulnerability exists due to use-after-free in the JavaScript: GC component when managing object lifetimes. A remote attacker can supply crafted scripts to trigger access to freed memory, potentially causing a crash or code execution.


137) Improper privilege management (CVE-ID: CVE-2026-117995)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escalate privileges.

The vulnerability exists due to improper privilege management in the DOM: UI Events & Focus Handling component when handling events and focus. A remote attacker can trigger crafted event or focus behavior to gain privileges beyond those intended.


138) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-117996)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the WebRTC component when processing real-time communication activity. A remote attacker can trigger crafted activity to cause unexpected behavior that may disrupt browser operation.


139) Use-after-free (CVE-ID: CVE-2026-117997)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to escape browser sandbox restrictions.

The vulnerability exists due to use-after-free in the Widget component when processing widget operations. A remote attacker can trigger access to freed memory through crafted activity to cross the sandbox security boundary.


140) Protection mechanism failure (CVE-ID: CVE-2026-117998)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass browser security restrictions.

The vulnerability exists due to improper enforcement of security controls in the DOM: Push Subscriptions component when handling push subscriptions. A remote attacker can trigger crafted subscription-related behavior to circumvent an intended security restriction.


141) Race condition (CVE-ID: CVE-2026-117999)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to a race condition in the IPC component when concurrent operations access shared state. A remote attacker can trigger competing operations to produce inconsistent state and potentially disrupt browser operation.


142) Information disclosure (CVE-ID: CVE-2026-118000)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to insufficient protection of information in the Networking: HTTP component when handling HTTP activity. A remote attacker can trigger crafted network activity to obtain information that should remain inaccessible.


143) Race condition (CVE-ID: CVE-2026-118002)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to a race condition in the Networking component when concurrent network operations access shared state. A remote attacker can trigger competing operations to expose information that should remain inaccessible.


144) Information disclosure (CVE-ID: CVE-2026-118003)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to insufficient protection of information in the Networking: DNS component when processing name-resolution activity. A remote attacker can trigger crafted network activity to obtain information that should remain inaccessible.


145) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-118004)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to potentially disrupt browser operation.

The vulnerability exists due to incorrect handling of boundary conditions in the CSS Transitions and Animations component when processing animated styles. A remote attacker can supply crafted content to trigger unexpected behavior that may disrupt browser operation.


Remediation

Install update from vendor's website.