CVE-2021-23960 log

Source
Severity Medium
Remote Yes
Type Arbitrary code execution
Description
A security issue was found in Firefox before version 85.0 and Thunderbird before version 78.7. Performing garbage collection on re-declared JavaScript variables resulted in a use-after-poison, and a potentially exploitable crash.
Group Package Affected Fixed Severity Status Ticket
AVG-1496 thunderbird 78.6.1-1 78.7.0-1 High Fixed
AVG-1492 firefox 84.0.2-1 85.0-1 High Fixed
Date Advisory Group Package Severity Type
06 Feb 2021 ASA-202102-2 AVG-1496 thunderbird High multiple issues
01 Feb 2021 ASA-202102-1 AVG-1492 firefox High multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23960
https://www.mozilla.org/en-US/security/advisories/mfsa2021-05/#CVE-2021-23960
https://bugzilla.mozilla.org/show_bug.cgi?id=1675755