CVE-2024-3861

NameCVE-2024-3861
DescriptionIf an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3790-1, DLA-3791-1, DSA-5663-1, DSA-5670-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid131.0-1fixed
firefox-esr (PTS)bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)115.15.0esr-1~deb11u1fixed
bookworm115.14.0esr-1~deb12u1fixed
bookworm (security)128.3.0esr-1~deb12u1fixed
trixie115.15.0esr-1fixed
sid128.3.0esr-1fixed
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:115.15.0-1~deb11u1fixed
bookworm1:115.12.0-1~deb12u1fixed
bookworm (security)1:115.15.0-1~deb12u1fixed
trixie1:128.2.0esr-1fixed
sid1:128.2.3esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)125.0.1-1
firefox-esrsourcebuster115.10.0esr-1~deb10u1DLA-3790-1
firefox-esrsourcebullseye115.10.0esr-1~deb11u1DSA-5663-1
firefox-esrsourcebookworm115.10.0esr-1~deb12u1DSA-5663-1
firefox-esrsource(unstable)115.10.0esr-1
thunderbirdsourcebuster1:115.10.1-1~deb10u1DLA-3791-1
thunderbirdsourcebullseye1:115.10.1-1~deb11u1DSA-5670-1
thunderbirdsourcebookworm1:115.10.1-1~deb12u1DSA-5670-1
thunderbirdsource(unstable)1:115.10.1-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/#CVE-2024-3861
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/#CVE-2024-3861
https://www.mozilla.org/en-US/security/advisories/mfsa2024-20/#CVE-2024-3861

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