thunderbird: firefox: Cross-process information leaked due to malicious IPC messages

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: 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...

CVE-2025-11710

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 was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4...

UBUNTU-CVE-2025-11710

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...