CVE-2026-10528 Orthanc DICOM Server DCMTK FromDcmtkBridge.cpp read stack-based overflow
A local attacker can trigger a stack-based buffer overflow in the Orthanc DICOM Server's DCMTK parser, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-10528?
CVE-2026-10528 is a medium-severity memory corruption vulnerability in Orthanc DICOM Server, published on 2 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-10528?
How do I fix CVE-2026-10528?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-10528 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10528 exists.
Sources
Also known as DEBIAN-CVE-2026-10528, GHSA-crj5-j279-vv6p, UBUNTU-CVE-2026-10528.