CVE-2026-92009

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

CVE-2026-92008 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

CVE-2026-92007

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

CVE-2026-92046: Use After Free

Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92051: NULL Pointer Dereference

Spoofing issue due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156...

PT-2026-91987

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Thunderbird versions prior to 156 Description A spoofing issue exists within the Graphics component caused by an invalid pointer. Recommendations Update Firefox to version 156. Update Thunderbird to version 156...

PT-2026-91971

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description A sandbox escape exists due to incorrect boundary conditions within the Graphics component. A...

CVE-2026-92014: Buffer Copy without Checking Size of Input

Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16...

CVE-2026-92032: Improper Restriction of Operations within the Bounds of a Memory Buffer

Sandbox escape due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

PT-2026-91967

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 140.16 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 140.16 Thunderbird versions prior to 153.3 Description An information...

PT-2026-91982

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description A use-after-free issue exists in the Graphics component. Use-after-free is a memory corruption...

PT-2026-91970

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Thunderbird versions prior to 156 Description A site isolation issue exists within the Graphics component. Site isolation is a security mechanism that ensures web pages from different sites are processed in separa...

PT-2026-91994

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description A use-after-free issue exists in the Graphics component. Use-after-free is a memory corruption...

CVE-2026-92035: Improper Restriction of Operations within the Bounds of a Memory Buffer

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17...

PT-2026-91950

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 115.41 Firefox ESR versions prior to 140.16 Thunderbird versions prior to 140.16 Description Incorrect boundary conditions in the Graphics component allow for privilege escalation. Recommendations Update Firefox E...

PT-2026-91968

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 140.16 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 140.16 Thunderbird versions prior to 153.3 Description A sandbox escape is...

OESA-2026-3842 thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2.CVE-2026-84119 Use-after-free in the...

OESA-2026-3790 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

Astra Linux – Vulnerability in Firefox

Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145...

firefox: Privilege escalation due to invalid pointer in the Graphics component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation due to invalid pointer in the Graphics component...