{"id":"CVE-2017-9096","aliases":["GHSA-86p9-x5pw-94qx"],"url":"https://o3.security/vulnerability/CVE-2017-9096","summary":"Improper Restriction of XML External Entity Reference in  iText","details":"The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.","published":"2017-11-08T16:29:00.263Z","modified":"2026-09-17T14:14:59.911678Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Maven","name":"com.itextpdf:itextpdf","fixedVersion":"5.5.12"},{"ecosystem":"Maven","name":"com.itextpdf:itextpdf","fixedVersion":"7.0.3"},{"ecosystem":"Maven","name":"com.lowagie:itext","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/archive/1/541483/100/0/threaded"},{"type":"ADVISORY","url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us"},{"type":"ADVISORY","url":"https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-17T14:14:59.911678Z"}}