EUVD-2026-14825

Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14851

Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

CVE-2026-4704

Denial-of-service in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4718

Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4704

Denial-of-service in the WebRTC: Signaling component. This vulnerability affects Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4705 Undefined behavior in the WebRTC: Signaling component

Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4705: Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

OESA-2026-1264 thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.CVE-2025-14321 Sandbox escape due to incorrect boundary conditions in...

Astra Linux – Vulnerability in Firefox, Thunderbird

Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...

OPENSUSE-SU-2026:20014-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 140.6.0 ESR was released: Fixed: Various security fixes. MFSA 2025-94 bsc1254551: CVE-2025-14321: Use-after-free in the WebRTC: Signaling component CVE-2025-14322: Sandbox escape...

firefox: thunderbird: Use-after-free in the WebRTC: Signaling component

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

firefox: thunderbird: Use-after-free in the WebRTC: Signaling component

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

firefox: thunderbird: Use-after-free in the WebRTC: Signaling component

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

firefox: thunderbird: Use-after-free in the WebRTC: Signaling component

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

firefox: thunderbird: Use-after-free in the WebRTC: Signaling component

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

firefox: thunderbird: Use-after-free in the WebRTC: Signaling component

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

firefox: thunderbird: Use-after-free in the WebRTC: Signaling component

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

RHEL 9 : firefox (RHSA-2026:0017)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0017 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : firefox (RHSA-2026:0013)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0013 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

PT-2026-27416

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description An undefined behavior exists within the WebRTC: Signaling component. This issue impacts the...