Mozilla: Denial of Service when using the Location API in a loop

Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

UBUNTU-CVE-2021-43538

By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 9...