SB20260917202 - Fedora EPEL 10.4 update for chromium

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Main Vulnerability Database SB20260917202

SB20260917202 - Fedora EPEL 10.4 update for chromium

Published: September 17, 2026

Security Bulletin ID SB20260917202
CSH Severity
High
Patch available
YES
Number of vulnerabilities 17
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 29% Medium 47% Low 24%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 17 vulnerabilities.


1) Improper Authorization (CVE-ID: CVE-2026-84331)

CWE-ID: CWE-285 - Improper Authorization

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 authorization.

The vulnerability exists due to improper access control in Actor when processing crafted content. A remote attacker can trigger the vulnerable logic to bypass authorization.

User interaction is required.


2) Improper Authorization (CVE-ID: CVE-2026-84354)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


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

The vulnerability exists due to incorrect authorization in FileSystem in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and execute arbitrary code.


3) Use-after-free (CVE-ID: CVE-2026-84353)

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Shared Tab Groups component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


4) Use-after-free (CVE-ID: CVE-2026-84352)

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the WebGL component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


5) Use-after-free (CVE-ID: CVE-2026-84350)

CWE-ID: CWE-416 - Use After Free

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 perform a denial of service (DoS) attack.

The vulnerability exists due to use-after-free error in TabStrip in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.


6) Information disclosure (CVE-ID: CVE-2026-84348)

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

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 gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in MediaCapture in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.


7) Use-after-free (CVE-ID: CVE-2026-84347)

CWE-ID: CWE-416 - Use After Free

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error within WebRTC in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.


8) Use-after-free (CVE-ID: CVE-2026-84333)

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Dawn component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


9) Improper access control (CVE-ID: CVE-2026-84332)

CWE-ID: CWE-284 - Improper Access Control

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 authorization restrictions.

The vulnerability exists due to improper access control in SiteSettings when handling site settings operations. A remote attacker can manipulate site settings interactions to bypass authorization restrictions.

User interaction is required.


10) Missing Authorization (CVE-ID: CVE-2026-87429)

CWE-ID: CWE-862 - Missing Authorization

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 perform unauthorized actions.

The vulnerability exists due to missing authorization in ServiceWorker when handling service worker operations. A remote attacker can induce a victim to interact with browser content to perform unauthorized actions.


11) Spoofing attack (CVE-ID: CVE-2026-84330)

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

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 spoof the user interface.

The vulnerability exists due to improper user interface handling in FullScreen when rendering fullscreen content. A remote attacker can present crafted content to spoof the user interface.

User interaction is required.


12) Unintended Proxy or Intermediary (CVE-ID: CVE-2026-84329)

CWE-ID: CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')

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 improper access control in CredentialProvider when handling credential access. A remote attacker can trick the victim into interacting with crafted web content to disclose sensitive information.

User interaction is required.


13) Improper access control (CVE-ID: CVE-2026-84327)

CWE-ID: CWE-284 - Improper Access Control

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 authorization.

The vulnerability exists due to improper access control in Autofill when handling crafted web content. A remote attacker can induce the browser to process crafted content to bypass authorization.

User interaction is required.


14) Input validation error (CVE-ID: CVE-2026-84325)

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 compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in DataTransfer in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and execute arbitrary code on the system.


15) Use-after-free (CVE-ID: CVE-2026-84324)

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Proxy component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


16) Information disclosure (CVE-ID: CVE-2026-79220)

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

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 gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in Network in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.


17) Information disclosure (CVE-ID: CVE-2026-87658)

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

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 gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in Extensions in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.


Remediation

Install update from vendor's website.

References