A heap buffer overflow vulnerability exists during the decoding of DICOM images.

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 during the decoding of DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read and write to memory beyond allocated buffers.

2. Jun 17, 2026 · NIST NVD

   Updated

   A heap buffer overflow vulnerability exists during the decoding of DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read and write to memory beyond allocated buffers.

Affected

• cpe orthanc-server/orthancversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-5443

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-5443

  A heap buffer overflow vulnerability exists during the decoding of DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read

  nvd.nist.gov

References

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