EUVD-2026-14811

Use-after-free in the Layout: Text and Fonts component. This vulnerability affects Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9...

CVE-2026-4692 Sandbox escape in the Responsive Design Mode component

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...

PT-2026-27398

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Firefox ESR versions prior to 115.34 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description The issue involves incorrect boundary conditions within th...