thunderbird: firefox: Some non-writable Object properties could be modified

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable...

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: Out of bounds read/write in a privileged process triggered by WebGL textures

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures...

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-2025-11708 Use-after-free in MediaTrackGraphImpl::GetInstance()

Use-after-free in MediaTrackGraphImpl::GetInstance. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4...

PT-2025-41901

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 flaw exists in the “Copy as cURL” feature due to insufficient escaping. This could allow an...