{"id":"DEBIAN-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":"2026-09-21T06:47:32.616520855Z","published":"2014-11-04T16:55:06.043Z","upstream":["CVE-2014-3660"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2014-3660"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Debian:12","purl":"pkg:deb/debian/libxml2?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2014-3660.json"}},{"package":{"name":"libxml2","ecosystem":"Debian:13","purl":"pkg:deb/debian/libxml2?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2014-3660.json"}},{"package":{"name":"libxml2","ecosystem":"Debian:14","purl":"pkg:deb/debian/libxml2?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2014-3660.json"}}],"schema_version":"1.9.0"}