We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.
Please see our statement on Data Privacy.
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.
Reserved 2025-03-31 | Published 2025-04-01 | Updated 2025-04-02 | Assigner mozillaLeaking file descriptors from the fork server
Thinker Li
bugzilla.mozilla.org/show_bug.cgi?id=1949987
www.mozilla.org/security/advisories/mfsa2025-20/
www.mozilla.org/security/advisories/mfsa2025-23/
Support options
