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CVE-2026-5444
Published: Apr 9, 2026
Modified: Apr 14, 2026
PUBLISHED
Description
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 processing.
| Vendor | Product | Versions |
|---|---|---|
Orthanc | DICOM Server | affected 0 - <= 1.12.10 |
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