{"id":"CVE-2026-44035","revision":"2eb80fff45de45299a1f9548ad8d8ef2","records":[{"revision":"2eb80fff45de45299a1f9548ad8d8ef2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-44035","aliases":[],"title":"Uncontrolled recursion in DCMTK DICOMDIR parsing allows denial of service","description":"Uncontrolled recursion in DcmDicomDir::moveRecordToTree() in dcmdata/libsrc/dcdicdir.cc of OFFIS DCMTK 3.7.0 allows an attacker to cause a denial of service (stack exhaustion and process crash) via a crafted DICOMDIR file with a deeply chained sequence of directory records linked through the Offset of Referenced Lower-Level Directory Entity attribute. Any application that opens the DICOMDIR is affected, including dcmgpdir and media viewers built on DCMTK. The issue is fixed in commit ca761f7f3dcaaddaa95be87cf5d736138d7c3a9f.","state":0,"publishedAt":"2026-10-08T12:55:10.263+00:00","modifiedAt":"2026-10-08T14:09:00.382+00:00","affected":[{"ecosystem":"https://github.com/DCMTK/dcmtk","name":"DCMTK","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"OFFIS\",\n                    \"product\": \"DCMTK\",\n                    \"collectionURL\": \"https://github.com/DCMTK/dcmtk\",\n                    \"repo\": \"https://github.com/DCMTK/dcmtk\",\n                    \"modules\": [\n                        \"dcmdata\"\n                    ],\n                    \"programFiles\": [\n                        \"dcmdata/libsrc/dcdicdir.cc\"\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:offis:dcmtk:3.7.0:*:*:*:*:*:*:*\"\n                    ],\n                    \"defaultStatus\": \"unknown\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.7.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5,"severity":"MEDIUM"}],"references":["https://support.dcmtk.org/redmine/issues/1215","https://github.com/DCMTK/dcmtk/commit/ca761f7f3dcaaddaa95be87cf5d736138d7c3a9f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-44035","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-44035","identifiers":["CVE-2026-44035"]},"retained":false,"historicalAffected":[]}],"coverage":[]}