Security Advisory
CVE-2023-6863
8.8
HIGH
Vulnerability Description
The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Published Date
December 19, 2023
Official Source
NIST NVD Advisory