Security Advisory
CVE-2021-43535
8.8
HIGH
Vulnerability Description
A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.
Published Date
December 8, 2021
Official Source
NIST NVD Advisory