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CVE-2026-97059

8.2 · HIGH

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.

Published Sep 24, 2026CWE-125EPSS 0.34%

Overview

CVE-2026-97059 is a high-severity vulnerability. It was published on September 24, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/DCMTK/dcmtkGitHubgithub.com/DCMTK/dcmtk/blob/ccfd10b84ff3c9a40b7b331698aedf06d421fc43/dcmfg/libsrc/concatenationloader.cc#L334-L360GitHubgithub.com/DCMTK/dcmtk/blob/ccfd10b84ff3c9a40b7b331698aedf06d421fc43/dcmfg/libsrc/concatenationloader.cc#L399-L430GitHubgithub.com/DCMTK/dcmtk/commit/18379d5b8d234977cc30644e9e70d76d89c87285GitHubgithub.com/DCMTK/dcmtk/commit/c33790827a192a598d20463af701a8b819f46ec1Refsupport.dcmtk.org/redmine/issues/1281Refwww.vulncheck.com/advisories/dcmtk-through-3.7.0-heap-over-read-via-numberofframes

How CyberStrike helps

Frequently asked questions

What is CVE-2026-97059?

CVE-2026-97059 is a high-severity vulnerability. It was published on September 24, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2026-97059?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-97059?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-97059?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-97059 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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