SB20260513107 - SUSE update for MozillaFirefox
Published: May 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2026-7320)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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/E:U/U:Green
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to incorrect boundary conditions in the Audio/Video component when processing media content. A remote attacker can cause the browser to process specially crafted media content to disclose sensitive information.
2) Input validation error (CVE-ID: CVE-2026-7321)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to escape the sandbox.
The vulnerability exists due to incorrect boundary conditions in the WebRTC: Networking component when handling WebRTC network traffic. A remote attacker can trigger specially crafted WebRTC network interactions to escape the sandbox.
User interaction is required to visit a specially crafted website or URL.
3) Buffer overflow (CVE-ID: CVE-2026-7322)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to memory corruption when processing crafted web content. A remote attacker can trigger memory safety bugs to execute arbitrary code.
4) Buffer overflow (CVE-ID: CVE-2026-7323)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to memory corruption when rendering web content. A remote attacker can trigger memory corruption using specially crafted web content to execute arbitrary code.
5) Use-after-free (CVE-ID: CVE-2026-8090)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to use-after-free in the DOM: Networking component when processing web content. A remote attacker can trigger the use-after-free with specially crafted content to execute arbitrary code.
User interaction is required to visit a specially crafted website or open a specially crafted URL.
6) Input validation error (CVE-ID: CVE-2026-8091)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper input validation in the Audio/Video: Playback component when processing media content. A remote attacker can supply specially crafted media content to execute arbitrary code.
User interaction is required to visit a specially crafted website or open a specially crafted URL.
7) Buffer overflow (CVE-ID: CVE-2026-8092)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to memory corruption when processing web content. A remote attacker can trigger memory corruption using specially crafted content to execute arbitrary code.
Some of the reported bugs showed evidence of memory corruption.
8) Input validation error (CVE-ID: CVE-2026-8094)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to an unspecified vulnerability in the WebRTC component. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.
Remediation
Install update from vendor's website.