CVE-2023-6873

NameCVE-2023-6873
DescriptionMemory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3698-1, DSA-5582-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid132.0.1-1fixed
thunderbird (PTS)jessie, jessie (lts)1:68.9.0-1~deb8u2vulnerable
stretch (security), stretch (lts), stretch1:91.10.0-1~deb9u1vulnerable
buster (security), buster, buster (lts)1:115.12.0-1~deb10u1fixed
bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:128.4.0esr-1~deb11u1fixed
bookworm1:115.12.0-1~deb12u1fixed
bookworm (security)1:128.4.0esr-1~deb12u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)121.0-1
thunderbirdsourcejessie(unfixed)end-of-life
thunderbirdsourcestretch(unfixed)end-of-life
thunderbirdsourcebuster1:115.6.0-1~deb10u1DLA-3698-1
thunderbirdsourcebullseye1:115.6.0-1~deb11u1DSA-5582-1
thunderbirdsourcebookworm1:115.6.0-1~deb12u1DSA-5582-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/#CVE-2023-6873

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