CVE-2026-4710

Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4687

CVE-2026-4687 describes a sandbox-escape vulnerability in the Mozilla Firefox/Thunderbird Telemetry component caused by incorrect boundary conditions. Connected advisories confirm the issue is fixed in Firefox 149 and Firefox ESR 115.34/140.9, Thunderbird 149 and Thunderbird 140.9, with related e...