CVE-2026-100797

Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100797

A use-after-free vulnerability in the Graphics: WebRender component of the Firefox browser can lead to privilege escalation . This issue has been addressed in several versions, including Firefox ESR 153.4 , Firefox 157 , Firefox ESR 115.42 , and Firefox ESR 140.17 . While the vulnerability is doc...

CVE-2026-100797 Privilege escalation due to use-after-free in the Graphics: WebRender component

Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

EUVD-2026-88950

Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100797 Privilege escalation due to use-after-free in the Graphics: WebRender component

Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100781

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100781 Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

EUVD-2026-88933

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100781

A sandbox escape vulnerability exists in the Graphics: WebRender component due to incorrect boundary conditions . This issue affects multiple Mozilla products, including Firefox ESR 115.42 , Firefox ESR 140.17 , Firefox 157 , Thunderbird 140.17 , Thunderbird 153.4 , and Thunderbird 157 . The vuln...

CVE-2026-100781 Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

PT-2026-102571

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 115.42 Firefox ESR versions prior to 140.17 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description Privilege escalation is possible due to a use-after-free...

PT-2026-102555

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 115.42 Firefox ESR versions prior to 140.17 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description A sandbox escape exists in the Graphics: WebRender...

CVE-2026-100797: Use After Free

Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100781: Improper Restriction of Operations within the Bounds of a Memory Buffer

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

SUSE SLED15: MozillaFirefox / MozillaFirefox-branding-upstream / etc (SUSE-SU-2026:1126-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1126-1 advisory. Update to Firefox 140.9.0 ESR MFSA 2026-22, bsc1260083: - CVE-2026-4684: Race condition,...

firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component...

SUSE-SU-2026:23918-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 153.3.0 ESR MFSA 2026-93, bsc1280371: - CVE-2026-92005: Use-after-free in the Audio/Video: Web Codecs component. - CVE-2026-92006: Privilege escalation due to incorrect boundary conditions in the...

firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component...

Linux Distros Unpatched Vulnerability : CVE-2026-92020

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41,...

firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component...