RHEL 8 : thunderbird (RHSA-2026:65764)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:65764 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the Graphics:...

Oracle Linux 8 : ELSA-2026-65160-0: / thunderbird (ELSA-2026-651600)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-651600 advisory. 140.14.0-1.0.1 - Fix prefs for new nss Orabug: 37079820 - Add Oracle prefs file 140.14.0 - Add OpenELA debranding 140.14.0-1 - Update to 140.14.0 ESR...

RockyLinux 8 : thunderbird (RLSA-2026:65160)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:65160 advisory. firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component CVE-2026-74934 firefox: thunderbird: Privilege escalation in the...

AlmaLinux 10 : thunderbird (ALSA-2026:65159)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:65159 advisory. firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component CVE-2026-74934 firefox: thunderbird: Privilege escalation in the...

RHEL 8 : thunderbird (RHSA-2026:65757)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:65757 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the Graphics:...

firefox: thunderbird: Privilege escalation in the DOM: Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the DOM: Networking component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: thunderbird: Mitigation bypass in the Storage: Cache API component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the Storage: Cache API component...

firefox: thunderbird: Same-origin policy bypass in the Graphics: ImageLib component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Graphics: ImageLib component...

firefox: thunderbird: Privilege escalation in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the DOM: Navigation component...

firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Graphics: CanvasWebGL component...

firefox: thunderbird: Use-after-free in the Graphics: ImageLib component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the Graphics: ImageLib component...

firefox: thunderbird: Information disclosure in the Graphics: Text component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the Graphics: Text component...

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

firefox: thunderbird: Site isolation issue in the WebExtensions component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the WebExtensions component...

firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another...

firefox: thunderbird: Privilege escalation due to use-after-free in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation due to use-after-free in the Graphics: Canvas2D component...

firefox: thunderbird: Information disclosure in the DOM: Push Subscriptions component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the DOM: Push Subscriptions component...

firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine: JIT component...