Orthanc DICOM Server DCMTK FromDcmtkBridge.cpp read stack-based overflow
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A security flaw has been discovered in Orthanc DICOM Server up to 1.12.11. This issue affects the function DcmItem::read of the file OrthancFramework/Sources/DicomParsing/FromDcmtkBridge.cpp of the component DCMTK Parser. Performing a manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The patch is named bae99026ca97. To fix this issue, it is recommended to deploy a patch.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| Orthanc | DICOM Server | 1.12.0; 1.12.1; 1.12.2; 1.12.3; 1.12.4; 1.12.5; 1.12.6; 1.12.7; 1.12.8; 1.12.9; 1.12.10; 1.12.11 | — | No fix listed | CNA |
- DICOM Server VendorOrthanc Affected 1.12.0; 1.12.1; 1.12.2; 1.12.3; 1.12.4; 1.12.5; 1.12.6; 1.12.7; 1.12.8; 1.12.9; 1.12.10; 1.12.11 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:orthanc:dicom_server:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:orthanc:dicom_server:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-10528
- 2026-10-03 Alias added: GHSA-crj5-j279-vv6p
References
More Orthanc vulnerabilities
- TI-2026-08911 Orthanc Explorer 2 URL StudyList.vue cross site scripting CVSS 4.0MEDIUM 5.3
- TI-2025-00759 Orthanc Server Missing Authentication for Critical Function CVSS 4.0CRITICAL 9.2
- TI-2026-04766 Heap Buffer Overflow in DICOM Image Decoder (Palette Color Decode) CVSS 3.1CRITICAL 9.8
- TI-2026-04765 Heap Buffer Overflow in DICOM Image Decoder via VR UL Dimensions CVSS 3.1CRITICAL 9.8
- TI-2023-16538 Orthanc before 1.12.0 allows authenticated users with access to the Orthanc API to… CVSS 3.1HIGH 8.8
- TI-2026-04768 Out-of-Bounds Read in DicomImageDecoder (DecodeLookupTable) CVSS 3.1CRITICAL 9.1
Sources
- CVE-2026-10528 · CVE Program
- CVE-2026-10528 · NVD
- FIRST EPSS
- GHSA-crj5-j279-vv6p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences