Vulnerability CVE-2023-6857
Published: 2023-12-19

Description:
When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary.
*This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

 References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1796023
https://www.mozilla.org/security/advisories/mfsa2023-54/
https://www.mozilla.org/security/advisories/mfsa2023-55/
https://www.mozilla.org/security/advisories/mfsa2023-56/
Copyright 2025, cxsecurity.com

 

Back to Top