CVE-2026-97059

Versions of DCMTK through 3.7.0 are vulnerable to a heap over-read in the ConcatenationLoader component. The root cause is a failure to validate the PixelData buffer length against the declared NumberOfFrames when copying pixel data frames. Attackers can exploit this by crafting malicious DICOM i...

CVE-2026-97059 DCMTK through 3.7.0 Heap Over-read via NumberOfFrames

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...