Description
A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
Problem types
Cross-process information leaked due to malicious IPC messages
Product status
Credits
Oskar L
References
bugzilla.mozilla.org/show_bug.cgi?id=1989899
www.mozilla.org/security/advisories/mfsa2025-81/
www.mozilla.org/security/advisories/mfsa2025-82/
www.mozilla.org/security/advisories/mfsa2025-83/
www.mozilla.org/security/advisories/mfsa2025-84/
www.mozilla.org/security/advisories/mfsa2025-85/