CVE-2023-6857

Name
CVE-2023-6857
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.
NVD Severity
unknown
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
security@mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1796023
security@mozilla.org https://www.mozilla.org/security/advisories/mfsa2023-54/
security@mozilla.org https://www.mozilla.org/security/advisories/mfsa2023-55/
security@mozilla.org https://www.mozilla.org/security/advisories/mfsa2023-56/
security@mozilla.org https://www.debian.org/security/2023/dsa-5581
security@mozilla.org https://www.debian.org/security/2023/dsa-5582
security@mozilla.org https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
security@mozilla.org https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
security@mozilla.org https://security.gentoo.org/glsa/202401-10

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 121.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 115.6
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 115.6

Vulnerable and fixed packages

Source package Branch Version Maintainer Status