CVE-2026-50254

HIGH 7.5

OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

An unauthenticated remote attacker can repeatedly send a single crafted connection request to leak memory. Against storescp in its default single-process mode, memory grows quickly and the service is eventually killed, after which it stops accepting connections until an operator restarts it.

CWE	CWE-401
Vendor	offis dicom
Product	dcmtk toolkit
Published	Jun 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

OFFIS DICOM / DCMTK Toolkit

0 ≤ 3.7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/DCMTK/dcmtk/releases/tag/latest cisa.gov: https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-181-01 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.json

Credits

Abhinav Agarwal reported this vulnerability to CISA.