{"id":"ALPINE-CVE-2017-16931","details":"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.","modified":"2025-11-19T06:09:13.543583Z","published":"2017-11-23T21:29:00.390Z","upstream":["CVE-2017-16931"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2017-16931"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Alpine:v3.4","purl":"pkg:apk/alpine/libxml2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.5-r0"}]}],"versions":["2.7.2-r0","2.7.3-r0","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.7-r0","2.7.7-r1","2.7.7-r2","2.7.7-r3","2.7.7-r4","2.7.8-r0","2.7.8-r1","2.7.8-r2","2.7.8-r4","2.7.8-r5","2.7.8-r6","2.7.8-r7","2.7.8-r8","2.8.0-r0","2.8.0-r1","2.9.0-r0","2.9.0-r1","2.9.0-r2","2.9.0-r3","2.9.1-r0","2.9.1-r1","2.9.1-r2","2.9.2-r0","2.9.2-r1","2.9.2-r2","2.9.3-r0","2.9.4-r0","2.9.4-r1","2.9.4-r2","2.9.4-r3"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-16931.json"}},{"package":{"name":"libxml2","ecosystem":"Alpine:v3.5","purl":"pkg:apk/alpine/libxml2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.5-r0"}]}],"versions":["2.7.2-r0","2.7.3-r0","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.7-r0","2.7.7-r1","2.7.7-r2","2.7.7-r3","2.7.7-r4","2.7.8-r0","2.7.8-r1","2.7.8-r2","2.7.8-r4","2.7.8-r5","2.7.8-r6","2.7.8-r7","2.7.8-r8","2.8.0-r0","2.8.0-r1","2.9.0-r0","2.9.0-r1","2.9.0-r2","2.9.0-r3","2.9.1-r0","2.9.1-r1","2.9.1-r2","2.9.2-r0","2.9.2-r1","2.9.2-r2","2.9.3-r0","2.9.4-r0","2.9.4-r1","2.9.4-r2","2.9.4-r3"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-16931.json"}},{"package":{"name":"libxml2","ecosystem":"Alpine:v3.6","purl":"pkg:apk/alpine/libxml2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.5-r0"}]}],"versions":["2.7.2-r0","2.7.3-r0","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.7-r0","2.7.7-r1","2.7.7-r2","2.7.7-r3","2.7.7-r4","2.7.8-r0","2.7.8-r1","2.7.8-r2","2.7.8-r4","2.7.8-r5","2.7.8-r6","2.7.8-r7","2.7.8-r8","2.8.0-r0","2.8.0-r1","2.9.0-r0","2.9.0-r1","2.9.0-r2","2.9.0-r3","2.9.1-r0","2.9.1-r1","2.9.1-r2","2.9.2-r0","2.9.2-r1","2.9.2-r2","2.9.3-r0","2.9.4-r0","2.9.4-r1","2.9.4-r2","2.9.4-r3","2.9.4-r4"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-16931.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}