Astra Linux – Vulnerability in Firefox and Thunderbird

When Responsive Design Mode was enabled, it used references to objects that had previously been freed. We assume that with sufficient effort, this could have been exploited to execute arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-100921)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100921 advisory. Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and...

Astra Linux – Vulnerability in Firefox and Thunderbird

Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...

firefox: thunderbird: Sandbox escape in the Responsive Design Mode component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Responsive Design Mode component...