CVE-2026-35505

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 crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops responding until restart.

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

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 crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops responding until restart.
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