CVE-2026-87020highCWE-190

CVE-2026-87020: high-severity vulnerability in Orthanc DICOM Server

Orthanc DICOM Server Integer Overflow or Wraparound

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.2epss 0.6%
An integer overflow in a specified pitch and buffer-size computation leads to a heap out-of-bounds write when Orthanc DICOM Server decodes an attacker-supplied PNG.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Orthanc · DICOM Server
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In the same product, most dangerous first.

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