UBUNTU-CVE-2021-38496

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.15, Thunderbird 91.2, Firefox ESR 91.2, Firefox ESR 78.15, and Firefox 93...

The vulnerability of the MessageTasks operation in the Mozilla Firefox browser allows a hacker to execute arbitrary code within the system.

The vulnerability of the MessageTasks operation in the Mozilla Firefox browser is related to a memory release error. Exploiting this vulnerability could allow an attacker to execute arbitrary code on the system remotely...