CVE-2026-97059 DCMTK - Out of Bounds Read

DCMTK through 3.7.0 contains a heap over-read caused by improper validation of PixelData buffer length against declared NumberOfFrames in ConcatenationLoader, letting attackers crash the application or leak adjacent heap memory, exploit requires crafted malicious DICOM instances.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.35% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read
Impact
Denial Of Service, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published
24 September 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to a version later than 3.7.0 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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