{"id":"CVE-2014-3660","details":"parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity substitution has been disabled, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted XML document containing a large number of nested entity references, a variant of the \"billion laughs\" attack.","modified":"2026-01-27T04:12:44.401071Z","published":"2014-11-04T16:55:06Z","withdrawn":"2026-01-27T04:12:44.401071Z","related":["MGASA-2014-0418","openSUSE-SU-2024:10192-1"],"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2014-1655.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2014-1885.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/59903"},{"type":"ADVISORY","url":"http://secunia.com/advisories/61965"},{"type":"ADVISORY","url":"http://secunia.com/advisories/61966"},{"type":"ADVISORY","url":"http://secunia.com/advisories/61991"},{"type":"ADVISORY","url":"http://www.debian.org/security/2014/dsa-3057"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2014:244"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2389-1"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT205030"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT205031"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2014/10/17/7"},{"type":"REPORT","url":"https://bugzilla.redhat.com/attachment.cgi?id=944444&action=diff"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1149084"},{"type":"WEB","url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705"},{"type":"WEB","url":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html"},{"type":"WEB","url":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2014-10/msg00034.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/70644"},{"type":"WEB","url":"https://www.ncsc.nl/actueel/nieuwsberichten/kwetsbaarheid-ontdekt-in-libxml2.html"}],"schema_version":"1.7.3"}