CVE-2026-5437

Name	CVE-2026-5437
Description	An out-of-bounds read vulnerability exists in `DicomStreamReader` during DICOM meta-header parsing. When processing malformed metadata structures, the parser may read beyond the bounds of the allocated metadata buffer. Although this issue does not typically crash the server or expose data directly to the attacker, it reflects insufficient input validation in the parsing logic.
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	1133182

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
orthanc (PTS)	bullseye	1.9.2+really1.9.1+dfsg-1+deb11u1	vulnerable
	bullseye (security)	1.9.2+really1.9.1+dfsg-1+deb11u2	vulnerable
	bookworm, bookworm (security)	1.10.1+dfsg-2+deb12u1	vulnerable
	trixie	1.12.7+dfsg-4	vulnerable
	forky	1.12.11+dfsg-4	fixed
	sid	1.12.11+dfsg-6	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
orthanc	source	(unstable)	1.12.10+dfsg-4			1133182

https://kb.cert.org/vuls/id/536588
https://orthanc.uclouvain.be/hg/orthanc/rev/5ce108190752