Critical severity9.8NVD Advisory· Published Apr 9, 2026· Updated Apr 14, 2026
CVE-2026-5442
CVE-2026-5442
Description
A heap buffer overflow vulnerability exists in the DICOM image decoder. Dimension fields are encoded using Value Representation (VR) Unsigned Long (UL), instead of the expected VR Unsigned Short (US), which allows extremely large dimensions to be processed. This causes an integer overflow during frame size calculation and results in out-of-bounds memory access during image decoding.
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Affected products
1Patches
Vulnerability mechanics
References
3- kb.cert.org/vuls/id/536588nvdThird Party AdvisoryVDB Entry
- www.machinespirits.denvdNot Applicable
- www.orthanc-server.comnvdProduct
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