Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR...

CVE-2026-4684

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...

SUSE CVE-2026-4684

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Linux Distros Unpatched Vulnerability : CVE-2026-4684

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9,...

EUVD-2026-14792

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9...

CVE-2026-4684

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4684

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

UBUNTU-CVE-2026-4684

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4684 Race condition, use-after-free in the Graphics: WebRender component

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4684

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4684 Race condition, use-after-free in the Graphics: WebRender component

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4684

CVE-2026-4684 describes a race condition leading to a use-after-free in the Graphics: WebRender component. Affected products/versions are Firefox < 149, Firefox ESR < 115.34, and Firefox ESR

CVE-2026-4684

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4684

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Mozilla Firefox ESR < 115.34

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.34. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-21 advisory. - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox 149,...

Mozilla Firefox ESR < 115.34

The version of Firefox ESR installed on the remote Windows host is prior to 115.34. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-21 advisory. - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox 149, Firefox ESR...

Mozilla Firefox ESR < 140.9

The version of Firefox ESR installed on the remote Windows host is prior to 140.9. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-22 advisory. - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox 149, Firefox ESR 140.9,...

Mozilla Firefox < 149.0

The version of Firefox installed on the remote Windows host is prior to 149.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-20 advisory. - Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox 149 and...

Mozilla Firefox < 149.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 149.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-20 advisory. - Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox...