CVE-2026-4712

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

CVE-2026-4689

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component...

SUSE CVE-2026-4698

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4727

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Denial-of-service in the Libraries component in NSS...

CVE-2026-4723

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

Linux Distros Unpatched Vulnerability : CVE-2026-4712

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information disclosure in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Linux Distros Unpatched Vulnerability : CVE-2026-4690

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34,...

Linux Distros Unpatched Vulnerability : CVE-2026-4708

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Linux Distros Unpatched Vulnerability : CVE-2026-4720

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

EUVD-2026-14859

Privilege escalation in the IPC component. This vulnerability affects Firefox 149...

CVE-2026-4715 Uninitialized memory in the Graphics: Canvas2D component

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4710

Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4698

CVE-2026-4698 — JIT miscompilation in the JavaScript Engine (JIT component) . The issue is disclosed for Firefox/Thunderbird products and is described as a JIT miscompilation in the JavaScript engine’s JIT path. Affected versions are Firefox < 149, Firefox ESR < 115.34, and Firefox ESR

PT-2026-27423

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Thunderbird versions prior to 149 Description A security issue exists due to a use-after-free condition within the Graphics: Canvas2D component. This can lead to a sandbox escape. Recommendations Update Firefox to...

The vulnerability of the Mozilla Firefox browser, related to the execution of operations beyond the buffer in memory, allows attackers to execute arbitrary code.

The vulnerability of Mozilla Firefox’s CSS analysis and calculation components relates to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Linux Distros Unpatched Vulnerability : CVE-2026-3846

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2. CVE-2026-3846 Note that Nessus relies o...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

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

EUVD-2026-10505

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability affects Firefox 148.0.2...

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: Use-after-free in the Audio/Video: Playback component

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