Vulnerability CVE-2023-6862
Published: 2023-12-19

Description:
A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.

 References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1868042
https://www.mozilla.org/security/advisories/mfsa2023-54/
https://www.mozilla.org/security/advisories/mfsa2023-55/
Copyright 2025, cxsecurity.com

 

Back to Top