CVE-2021-29952
When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3. Date published : 2021-06-24 https://bugzilla.mozilla.org/show_bug.cgi?id=1704227