[ CVE-2026-97059 · Published 24 Sep 2026 ]
Vulnerability in OFFIS DCMTK
CVSS 8.2
EPSS <1%No fix listed yet
[ Description ]Official description
DCMTK through 3.7.0 contains a heap over-read vulnerability in ConcatenationLoader that copies pixel data frames without validating the PixelData buffer length against the declared NumberOfFrames. Attackers can craft malicious DICOM instances declaring more frames than the buffer contains to trigger heap over-reads that crash the application or leak adjacent heap memory.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/DCMTK/dcmtk
- github.com/DCMTK/dcmtk/blob/ccfd10b84ff3c9a40b7b331698aedf06d421fc43/dcmfg/libsrc/conca…
- github.com/DCMTK/dcmtk/blob/ccfd10b84ff3c9a40b7b331698aedf06d421fc43/dcmfg/libsrc/conca…
- github.com/DCMTK/dcmtk/commit/18379d5b8d234977cc30644e9e70d76d89c87285
- github.com/DCMTK/dcmtk/commit/c33790827a192a598d20463af701a8b819f46ec1
- support.dcmtk.org/redmine/issues/1281
- www.vulncheck.com/advisories/dcmtk-through-3.7.0-heap-over-read-via-numberofframes