CVE-2026-12290

A memory-safety vulnerability affecting Mozilla Thunderbird and related Firefox components has been fixed in Thunderbird 152 and Firefox 152 (and ESR branches 140.12 and 115.37). The CVE-2026-12290 entry, and associated related CVEs cited in SUSE/OSV/Debian/Bugzilla/MFSA advisories, indicate a me...

CVE-2026-12290

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12290 Memory safety bug fixed in Firefox 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37081

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12290

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12289 Privilege escalation in the Graphics: WebRender component

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12289 Privilege escalation in the Graphics: WebRender component

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37080

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12289

CVE-2026-12289 describes a privilege-escalation vulnerability in the Graphics: WebRender component. The public description and connected advisories indicate this affects Mozilla Firefox and Thunderbird products, with fixes shipped in: Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbi...

CVE-2026-12289

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12289

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

firefox: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some ...

firefox: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions, integer overflow in the Audio/Video component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: Playback component...

firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these...

firefox: Sandbox escape due to use-after-free in the Disability Access APIs component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the Disability Access APIs component...

firefox: Privilege escalation in the Enterprise Policies component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Enterprise Policies component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: Web Codecs component...

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component...