{"id":"CVE-2026-87020","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-87020","summary":"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.","details":"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.","published":"2026-09-11T15:17:06.937","modified":"2026-09-11T15:17:06.937","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-253-02.json"},{"type":"WEB","url":"https://orthanc.uclouvain.be/downloads/index.html"},{"type":"WEB","url":"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-02"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T15:17:06.937"}}