CVE-2021-41688

NameCVE-2021-41688
DescriptionDCMTK through 3.6.6 does not handle memory free properly. The object in the program is free but its address is still used in other locations. Sending specific requests to the dcmqrdb program will incur a double free. An attacker can use it to launch a DoS attack.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3847-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dcmtk (PTS)bullseye3.6.5-1vulnerable
bookworm3.6.7-9~deb12u1fixed
sid, trixie3.6.8-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dcmtksourcebuster3.6.4-2.1+deb10u1DLA-3847-1
dcmtksource(unstable)3.6.7-1

Notes

[bullseye] - dcmtk <no-dsa> (Minor issue)
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb (DCMTK-3.6.7)

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