firefox: thunderbird: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component...

SUSE-SU-2026:1741-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues Updated to Mozilla Thunderbird 140.10.1: MFSA 2026-34 bsc1262230: - CVE-2026-6746: Use-after-free in the DOM: Core & HTML component. - CVE-2026-6747: Use-after-free in the WebRTC component. - CVE-2026-6748: Uninitialized memory in the...

CVE-2026-6749

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component...

EUVD-2026-24090

Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10...

CVE-2026-6749

The Graphics: Canvas2D component in Mozilla Firefox and the Thunderbird email client is vulnerable to an information disclosure due to the use of uninitialized memory . A malicious actor could remotely disclose sensitive information by exploiting this flaw. This vulnerability has been addressed i...

Mozilla Thunderbird < 140.10

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.10. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-34 advisory. - Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox...

Linux Distros Unpatched Vulnerability : CVE-2026-6749

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox...

KLA90994 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1. A...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D component...

SUSE CVE-2026-4685

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...

EUVD-2026-14829

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

UBUNTU-CVE-2026-4725

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

Mozilla’s various products have security vulnerabilities

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A code execution vulnerability exists in multiple Mozilla products due to...

firefox: thunderbird: Sandbox escape 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: Sandbox escape due to use-after-free in the Graphics...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

firefox: thunderbird: Sandbox escape 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: Sandbox escape due to use-after-free in the Graphics...

CVE-2025-11152

Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3...

firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to undefined behavior, invalid pointer in the Graphics...

firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to undefined behavior, invalid pointer in the Graphics...

thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Graphics: Canvas2D component...