CVE-2023-4050

NameCVE-2023-4050
DescriptionIn some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3521-1, DLA-3523-1, DSA-5464-1, DSA-5469-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid128.0-1fixed
firefox-esr (PTS)bullseye115.12.0esr-1~deb11u1fixed
bullseye (security)115.13.0esr-1~deb11u1fixed
bookworm115.12.0esr-1~deb12u1fixed
bookworm (security)115.13.0esr-1~deb12u1fixed
trixie115.12.0esr-1fixed
sid115.13.0esr-1fixed
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:115.13.0-1~deb11u1fixed
bookworm1:115.12.0-1~deb12u1fixed
bookworm (security)1:115.13.0-1~deb12u1fixed
trixie, sid1:115.13.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)116.0-1
firefox-esrsourcebuster102.14.0esr-1~deb10u1DLA-3523-1
firefox-esrsourcebullseye102.14.0esr-1~deb11u1DSA-5464-1
firefox-esrsourcebookworm102.14.0esr-1~deb12u1DSA-5464-1
firefox-esrsource(unstable)115.1.0esr-1
thunderbirdsourcebuster1:102.14.0-1~deb10u1DLA-3521-1
thunderbirdsourcebullseye1:102.14.0-1~deb11u1DSA-5469-1
thunderbirdsourcebookworm1:102.14.0-1~deb12u1DSA-5469-1
thunderbirdsource(unstable)1:115.1.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/#CVE-2023-4050
https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4050
https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4050
https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4050
https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4050

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