Security Advisory
CVE-2021-29984
8.8
HIGH
Vulnerability Description
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Published Date
August 17, 2021
Official Source
NIST NVD Advisory