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CISA Warns of Critical Orthanc DICOM Server Flaw Allowing Remote Denial-of-Service

A heap overflow vulnerability in Orthanc DICOM Server versions prior to 1.13.0 enables authenticated attackers to crash medical imaging systems via malicious image files. CISA has issued an advisory (ICSMA-26-253-02) detailing CVE-2026-87020, a critical integer overflow vulnerability in Orthanc...

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Verified · September 26, 2026