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CVE-2026-97059 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/DCMTK/dcmtk	[email protected]
https://github.com/DCMTK/dcmtk/blob/ccfd10b84ff3c9a40b7b331698aedf06d421fc43/dcmfg/libsrc/concatenationloader.cc#L334-L360	[email protected]
https://github.com/DCMTK/dcmtk/blob/ccfd10b84ff3c9a40b7b331698aedf06d421fc43/dcmfg/libsrc/concatenationloader.cc#L399-L430	[email protected]
https://github.com/DCMTK/dcmtk/commit/18379d5b8d234977cc30644e9e70d76d89c87285	[email protected]
https://github.com/DCMTK/dcmtk/commit/c33790827a192a598d20463af701a8b819f46ec1	[email protected]
https://support.dcmtk.org/redmine/issues/1281	[email protected]
https://www.vulncheck.com/advisories/dcmtk-through-3.7.0-heap-over-read-via-numberofframes	[email protected]

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes