Vulnerabilities > CVE-2023-6863
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1868901
- https://www.mozilla.org/security/advisories/mfsa2023-54/
- https://www.mozilla.org/security/advisories/mfsa2023-55/
- https://www.mozilla.org/security/advisories/mfsa2023-56/
- https://www.debian.org/security/2023/dsa-5581
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
- https://security.gentoo.org/glsa/202401-10