OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime
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 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.
Why it matters now
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-2026-50254
- 2026-10-03 Alias added: GHSA-69cc-m82h-x8rm
- 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-2026-32528 OFFIS DCMTK Toolkit Type Confusion CVSS 4.0HIGH 8.7
- TI-2026-27626 OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime CVSS 4.0HIGH 8.7
Sources
- CVE-2026-50254 · CVE Program
- CVE-2026-50254 · NVD
- FIRST EPSS
- GHSA-69cc-m82h-x8rm · GitHub Advisory Database · CC BY 4.0
- CVE-2026-50254 · 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