CVE-2026-97059
High
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.
SeverityHigh
CVSS8.2
Exploit probability—
ProductDCMTK
PublishedSep 24, 2026
First seenSep 24, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| OFFIS DCMTK | v ≤ 3.7.0 | — |
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