During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash.
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash.
https://www.mozilla.org/security/advisories/mfsa2021-43/ https://bugzilla.mozilla.org/show_bug.cgi?id=1725335