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: 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...

Linux Distros Unpatched Vulnerability : CVE-2026-74949

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154,...

UBUNTU-CVE-2026-74949

Privilege escalation due to use-after-free in the Graphics: Canvas2D c...

CVE-2026-74949

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...

CVE-2026-74949

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

EUVD-2026-60755

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74949 Use-after-free in the Graphics: Canvas2D component

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74949

CVE-2026-74949 is a privilege escalation vulnerability in Mozilla Firefox and Thunderbird caused by a use-after-free in the Graphics: Canvas2D component. The CVSS 3.1 score is 8.8 (HIGH) , with a network attack vector requiring user interaction but no privileges. Successful exploitation could lea...

CVE-2026-74949 Use-after-free in the Graphics: Canvas2D component

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74949

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74949

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

PT-2026-76982

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 140.14 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird versions prior to 140.14 Thunderbird versions prior to 153.1 Description Privilege escalation ...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox

Sandbox escape due to a use-after-free in the Graphics:Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Vulnerability of the Graphics component: Canvas2D in Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allows attackers to disclose protected information

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the use of an uninitialized resource. Exploiting this vulnerability can allow a malicious actor to disclose sensitive information remotely...

Vulnerability of the Graphics component: Canvas2D in browsers such as Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allows attackers to trigger a service failure.

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to incorrect handling of unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...