{"id":"DEBIAN-CVE-2024-56171","details":"libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.","modified":"2026-09-15T09:02:59.749448615Z","published":"2025-02-18T22:15:12.797Z","upstream":["CVE-2024-56171"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-56171"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Debian:12","purl":"pkg:deb/debian/libxml2?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.14+dfsg-1.3~deb12u2"}]}],"versions":["2.9.14+dfsg-1.2","2.9.14+dfsg-1.3~deb12u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-56171.json"}},{"package":{"name":"libxml2","ecosystem":"Debian:13","purl":"pkg:deb/debian/libxml2?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.7+dfsg+really2.9.14-0.4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-56171.json"}},{"package":{"name":"libxml2","ecosystem":"Debian:14","purl":"pkg:deb/debian/libxml2?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.7+dfsg+really2.9.14-0.4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-56171.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}