A heap buffer overflow vulnerability exists in the PAM image parsing logic.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 9, 2026 · NIST NVD

   Detected

   A heap buffer overflow vulnerability exists in the PAM image parsing logic. When Orthanc processes a crafted PAM image embedded in a DICOM file, image dimensions are multiplied using 32-bit unsigned arithmetic. Specially chosen values can cause an integer overflow during buffer size calculation, resulting in the allocation of a small buffer followed by a much larger write operation during pixel pr

2. Jun 17, 2026 · NIST NVD

   Updated

   A heap buffer overflow vulnerability exists in the PAM image parsing logic. When Orthanc processes a crafted PAM image embedded in a DICOM file, image dimensions are multiplied using 32-bit unsigned arithmetic. Specially chosen values can cause an integer overflow during buffer size calculation, resulting in the allocation of a small buffer followed by a much larger write operation during pixel pr

Affected

• cpe orthanc-server/orthancversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-5444

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-5444

  A heap buffer overflow vulnerability exists in the PAM image parsing logic. When Orthanc processes a crafted PAM image embedded in a DICOM file, image dimensions are multiplied using 32-bit unsigned arithmetic. Specially chosen values can cause an integer overflow during buffer s

  nvd.nist.gov

References

• Third Party Advisory · kb.cert.org
• Not Applicable · machinespirits.de
• Product · orthanc-server.com