CVE-2023-4056

NameCVE-2023-4056
DescriptionMemory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. 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 < 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)sid132.0.1-1fixed
firefox-esr (PTS)bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)128.4.0esr-1~deb11u1fixed
bookworm128.3.1esr-1~deb12u1fixed
bookworm (security)128.4.0esr-1~deb12u1fixed
trixie128.3.1esr-2fixed
sid128.4.0esr-1fixed
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:128.4.0esr-1~deb11u1fixed
bookworm1:115.16.0esr-1~deb12u1fixed
bookworm (security)1:128.4.0esr-1~deb12u1fixed
trixie1:128.4.0esr-1fixed
sid1:128.4.2esr-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-2023-4056
https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4056
https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4056
https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4056
https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4056

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