CVE-2026-87020

HIGH CVSS 4.0: 7.2 EPSS 0.56%
Updated Sep 11, 2026
Orthanc
Parameter Value
CVSS 7.2 (HIGH)
Type CWE-190 (Integer Overflow)
Vendor Orthanc
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products

orthanc:dicom server