CVE-2022-46880

NameCVE-2022-46880
DescriptionA missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3241-1, DLA-3242-1, DSA-5301-1, DSA-5303-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox-esr (PTS)buster91.12.0esr-1~deb10u1vulnerable
buster (security)102.11.0esr-1~deb10u1fixed
bullseye102.10.0esr-1~deb11u1fixed
bullseye (security)102.11.0esr-1~deb11u1fixed
thunderbird (PTS)buster1:91.12.0-1~deb10u1vulnerable
buster (security)1:102.11.0-1~deb10u1fixed
bullseye1:102.10.0-1~deb11u1fixed
bullseye (security)1:102.11.0-1~deb11u1fixed
bookworm, sid1:102.11.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefox-esrsourcebuster102.6.0esr-1~deb10u1DLA-3241-1
firefox-esrsourcebullseye102.6.0esr-1~deb11u1DSA-5301-1
thunderbirdsourcebuster1:102.6.0-1~deb10u1DLA-3242-1
thunderbirdsourcebullseye1:102.6.0-1~deb11u1DSA-5303-1
thunderbirdsource(unstable)1:102.6.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2022-53/#CVE-2022-46880

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