{"action":"Upgrade libxml2 to 2.9.4+dfsg1-3.1 or later.","affected":[{"fixed":"2.9.4+dfsg1-3.1","introduced":"0"}],"component":"libxml2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.9.4+dfsg1-3.1"],"id":"tcs_01M5NC8PSF1JN19N4R3TEXGTTX","modified_at":"2026-10-15T07:47:24.582856681Z","published_at":"2017-11-23T21:29:00.390Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-16931","https://security-tracker.debian.org/tracker/CVE-2017-16931"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-16931","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-16931"}],"summary":"parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name."}