CVE-2026-50254

OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime

Published Jun 30, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

The maintainer was notified of these vulnerabilities and has provided a fix. The fix is included in the latest commits and can be obtained in the following snapshot: https://github.com/DCMTK/dcmtk/releases/tag/latest Users are recommended to download the latest GitHub release once it becomes available.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Offis Dicom
Offis Dicom dcmtk Toolkit
Vendors & Products Offis Dicom
Offis Dicom dcmtk Toolkit
Type Values Removed Values Added
Description 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.
Title OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime
Weaknesses CWE-401
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Jul 1, 2026, 3:40 PM
Reserved
Jun 22, 2026, 5:03 PM
Status
Deferred
Published
Jun 30, 2026, 10:16 PM
Modified
Oct 25, 2026, 9:10 PM