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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OFFIS DICOM DCMTK Toolkit unaffected
Version Status Constraints
0 affected ≤ 3.7.0

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

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.

Workaround

No workaround given by the vendor.

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

Tue, 30 Jun 2026 21:30:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-06-30T21:14:01.154Z

Reserved: 2026-06-22T17:03:25.973Z

Link: CVE-2026-50254

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-30T23:45:05Z

Weaknesses