firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume th...

firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component

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

firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics: Canvas2D 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: 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...

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

firefox: thunderbird: Incorrect boundary conditions in the Graphics component

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

firefox: thunderbird: Race condition, use-after-free in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Race condition, use-after-free in the Graphics: WebRender component...

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

firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Undefined behavior in the WebRTC: Signaling 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: Privilege escalation in the Netmonitor component

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

firefox: thunderbird: Incorrect boundary conditions in the Graphics: Text component

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

firefox: thunderbird: Mitigation bypass in the Networking: HTTP component

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

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

RHEL 9 : thunderbird (RHSA-2026:8290)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8290 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine...

Debian: Security Advisory (DSA-6211-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

RockyLinux 9 : firefox (RLSA-2026:7671)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:7671 advisory. libpng: libpng: Arbitrary code execution due to use-after-free vulnerability CVE-2026-33416 libpng: libpng: Information disclosure and denial of service...

RHEL 9 : thunderbird (RHSA-2026:8284)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8284 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine...

RHEL 8 : thunderbird (RHSA-2026:8289)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8289 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine...