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CVE-2026-87020highCWE-190

Orthanc DICOM Server Integer Overflow or Wraparound

21Vexday Risk Score

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

ssvc Trackcvss 7.2epss 0.6%
exploitation probability
0.6%top 55% of all CVEs
observed exploitation
nono source reports it
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