CVE-2026-12805

Name	CVE-2026-12805
Description	A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. This patch is called 1d4b3815c0987840a983160bfc671fef63a3105b. It is best practice to apply a patch to resolve this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1140562

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
dcmtk (PTS)	bullseye	3.6.5-1	vulnerable
	bullseye (security)	3.6.5-1+deb11u6	vulnerable
	bookworm	3.6.7-9~deb12u3	vulnerable
	trixie	3.6.9-5	vulnerable
	forky, sid	3.7.0+really3.7.0-5	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
dcmtk	source	(unstable)	(unfixed)			1140562

https://support.dcmtk.org/redmine/issues/1208
Fixed by: https://git.dcmtk.org/?p=dcmtk.git;a=commit;h=1d4b3815c0987840a983160bfc671fef63a3105b