CVE-2026-4691

Published: Mar 24, 2026 Last Modified: Mar 24, 2026
ExploitDB:
Other exploit source:
Google Dorks:

Description

AI Translation Available

Use-after-free in the CSS Parsing and Computation component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.

https://bugzilla.mozilla.org/show_bug.cgi?id=2017512
https://bugzilla.mozilla.org/show_bug.cgi?id=2017512
https://www.mozilla.org/security/advisories/mfsa2026-20/
https://www.mozilla.org/security/advisories/mfsa2026-20/
https://www.mozilla.org/security/advisories/mfsa2026-21/
https://www.mozilla.org/security/advisories/mfsa2026-21/
https://www.mozilla.org/security/advisories/mfsa2026-22/
https://www.mozilla.org/security/advisories/mfsa2026-22/