Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. 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 140.9, Thunderbird ESR 140.9, Firefox 149 and...

Mozilla Thunderbird < 149.0

The version of Thunderbird 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 mfsa2026-23 advisory. - Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects...