CVE-2025-3032 Information

Description

Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability affects Firefox < 137 and Thunderbird < 137.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1949987 https://www.mozilla.org/security/advisories/mfsa2025-20/ https://www.mozilla.org/security/advisories/mfsa2025-23/