OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime
Priority MEDIUM 45CWE-401Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-401.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00646 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OFFIS DICOM | DCMTK Toolkit | up to 3.7.0 | — | No fix listed | CNA |
- DCMTK Toolkit VendorOFFIS DICOM Affected up to 3.7.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-35505
- 2026-10-03 Alias added: GHSA-p8qm-mxfj-7vc2
- 2026-10-19 EPSS moved to the 50th–90th percentile
References
More OFFIS DICOM vulnerabilities
- TI-2026-36830 OFFIS DCMTK Toolkit Path Traversal CVSS 4.0CRITICAL 9.3
- TI-2026-37969 OFFIS DCMTK Toolkit Path Traversal CVSS 4.0HIGH 8.8
- TI-2026-36998 OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime CVSS 4.0HIGH 8.7
- TI-2026-32528 OFFIS DCMTK Toolkit Type Confusion CVSS 4.0HIGH 8.7
Sources
- CVE-2026-35505 · CVE Program
- CVE-2026-35505 · NVD
- FIRST EPSS
- GHSA-p8qm-mxfj-7vc2 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-35505 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences