THREAT OPS › Threat News › Orthanc DICOM Server
Orthanc DICOM Server
<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-253-02.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Successful exploitation of this vulnerability could allow an authenticated remote attacker to write past the end of a heap allocation when Orthanc decodes an attacker-supplied PNG or JPEG image, resulting in a crash of the Orthanc pr
MITRE ATT&CK techniques
Indicators of compromise
- CVE-2026-87020cve
- https://www.cve.org/CVERecord?id=CVE-2026-87020url
- https://orthanc.uclouvain.be/downloads/index.htmlurl
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:Nurl