CVE ID:	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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2023-6857 Debian Security Information: DSA-5581 (Google Search) https://www.debian.org/security/2023/dsa-5581 Debian Security Information: DSA-5582 (Google Search) https://www.debian.org/security/2023/dsa-5582 https://security.gentoo.org/glsa/202401-10 https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 https://www.mozilla.org/security/advisories/mfsa2023-54/ https://www.mozilla.org/security/advisories/mfsa2023-54/ https://www.mozilla.org/security/advisories/mfsa2023-55/ https://www.mozilla.org/security/advisories/mfsa2023-55/ https://www.mozilla.org/security/advisories/mfsa2023-56/ https://www.mozilla.org/security/advisories/mfsa2023-56/ https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html