CVE-2021-40812

NameCVE-2021-40812
DescriptionThe GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libgd2 (PTS)stretch2.2.4-2+deb9u5vulnerable
stretch (security)2.2.4-2+deb9u4vulnerable
buster2.2.5-5.2vulnerable
bookworm, sid, bullseye2.3.0-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libgd2source(unstable)(unfixed)

Notes

[bullseye] - libgd2 <no-dsa> (Minor issue)
[buster] - libgd2 <no-dsa> (Minor issue)
[stretch] - libgd2 <no-dsa> (Minor issue)
https://github.com/libgd/libgd/issues/750#issuecomment-914872385
https://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9

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