firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to invalid pointer in the Graphics 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: Sandbox escape in the DOM: Core & HTML component

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

firefox: thunderbird: Use-after-free in the XML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the XML 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: 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: 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: Mitigation bypass in the Remote Settings Client component

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

firefox: thunderbird: Use-after-free in the DOM: Navigation 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: Navigation component...

CVE-2026-84126

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

CVE-2026-84123

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: WebGPU component...

CVE-2026-84140

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the DOM: Navigation component Mitigation Update to Firefox ESR 153.2, Firefox ESR 140.15, or Firefox 155 or later. Red Hat will provide updated Firefox...

CVE-2026-84139

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

CVE-2026-84133

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

CVE-2026-84642

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain...

CVE-2026-84141

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

CVE-2026-84129

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

CVE-2026-84128

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

CVE-2026-84142

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effo...

CVE-2026-84144

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we...