firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147

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 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume th...

firefox: thunderbird: Use-after-free in the IPC component

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

RLSA-2026:2220 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Spoofing issue in the Downloads Panel component CVE-2025-14327 firefox: Use-after-free in the JavaScript: GC component CVE-2026-0885 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7,...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

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

firefox: thunderbird: Sandbox escape due to 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: Sandbox escape due to incorrect boundary conditions in the Graphics component...

firefox: thunderbird: Information disclosure in the Networking component

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

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component

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 in the Graphics: CanvasWebGL component...

firefox: thunderbird: Use-after-free in the JavaScript: GC component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript: GC 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: Clickjacking issue, information disclosure in the PDF Viewer component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Clickjacking issue, information disclosure in the PDF Viewer component...

firefox: Spoofing issue in the Downloads Panel component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the Downloads Panel component...

firefox: thunderbird: Use-after-free in the IPC component

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

firefox: thunderbird: Use-after-free in the JavaScript Engine component

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

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147

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 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume th...

firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component...

firefox: thunderbird: Sandbox escape due to integer overflow in the Graphics component

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

firefox: Spoofing issue in the Downloads Panel component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the Downloads Panel 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...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...