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...

thunderbird: firefox: Use-after-free in MediaTrackGraphImpl::GetInstance()

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in MediaTrackGraphImpl::GetInstance...

thunderbird: firefox: Use-after-free in MediaTrackGraphImpl::GetInstance()

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in MediaTrackGraphImpl::GetInstance...

thunderbird: firefox: Use-after-free in MediaTrackGraphImpl::GetInstance()

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in MediaTrackGraphImpl::GetInstance...

EUVD-2025-34201

Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect Firefox running on other operating systems. This vulnerability affects Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4...

CVE-2025-11711 Some non-writable Object properties could be modified

There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4...

PT-2025-41896

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 144 Firefox ESR versions prior to 140.4 Thunderbird versions prior to 144 Thunderbird versions prior to 140.4 Description A use-after-free issue exists in the MediaTrackGraphImpl::GetInstance function. This can occur...

PT-2025-41897

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 144 Firefox ESR versions prior to 115.29 Firefox ESR versions prior to 140.4 Thunderbird versions prior to 144 Thunderbird versions prior to 140.4 Description A compromised web process could trigger out-of-bounds read...