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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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 (PTS)sid126.0-1fixed
firefox-esr (PTS)jessie, jessie (lts)68.9.0esr-1~deb8u2vulnerable
stretch (security), stretch (lts), stretch91.11.0esr-1~deb9u1vulnerable
buster91.12.0esr-1~deb10u1vulnerable
buster (security)115.11.0esr-1~deb10u1fixed
bullseye115.7.0esr-1~deb11u1fixed
bullseye (security)115.11.0esr-1~deb11u1fixed
bookworm115.7.0esr-1~deb12u1fixed
bookworm (security)115.11.0esr-1~deb12u1fixed
sid, trixie115.11.0esr-1fixed
thunderbird (PTS)jessie, jessie (lts)1:68.9.0-1~deb8u2vulnerable
stretch (security), stretch (lts), stretch1:91.10.0-1~deb9u1vulnerable
buster1:91.12.0-1~deb10u1vulnerable
buster (security)1:115.11.0-1~deb10u1fixed
bullseye1:115.7.0-1~deb11u1fixed
bullseye (security)1:115.11.0-1~deb11u1fixed
bookworm1:115.7.0-1~deb12u1fixed
bookworm (security)1:115.11.0-1~deb12u1fixed
trixie1:115.10.1-1fixed
sid1:115.11.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)105.0-1
firefox-esrsourcejessie(unfixed)end-of-life
firefox-esrsourcestretch(unfixed)end-of-life
firefox-esrsourcebuster102.6.0esr-1~deb10u1DLA-3241-1
firefox-esrsourcebullseye102.6.0esr-1~deb11u1DSA-5301-1
firefox-esrsource(unstable)102.6.0esr-1
thunderbirdsourcejessie(unfixed)end-of-life
thunderbirdsourcestretch(unfixed)end-of-life
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/mfsa2022-40/#CVE-2022-46880
https://www.mozilla.org/en-US/security/advisories/mfsa2022-52/#CVE-2022-46880
https://www.mozilla.org/en-US/security/advisories/mfsa2022-53/#CVE-2022-46880

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