CVE-2026-87020

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 v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-253-02.json
https://orthanc.uclouvain.be/downloads/index.html
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-02

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-11 15:17

Updated : 2026-09-11 15:17

NVD link : CVE-2026-87020

Mitre link : CVE-2026-87020

CVE.ORG link : CVE-2026-87020

JSON object : View

Products Affected

No product.

CWE

CWE-190

Integer Overflow or Wraparound

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