{"id":"DEBIAN-CVE-2024-28757","details":"libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).","modified":"2026-09-15T09:03:06.716594914Z","published":"2024-03-10T05:15:06.570Z","upstream":["CVE-2024-28757"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-28757"}],"affected":[{"package":{"name":"expat","ecosystem":"Debian:12","purl":"pkg:deb/debian/expat?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.0-1","2.5.0-1+deb12u1","2.5.0-1+deb12u2","2.5.0-1+deb12u3","2.5.0-2","2.6.0-1","2.6.1-1","2.6.1-2","2.6.2-1","2.6.2-2","2.6.3-1","2.6.3-2","2.6.4-1","2.7.0-1","2.7.1-1","2.7.1-2","2.7.2-1","2.7.3-1","2.7.3-2","2.7.4-1","2.7.5-1","2.8.0-1","2.8.0-2","2.8.1-1","2.8.2-1","2.8.2-1~deb13u1","2.8.3-1","2.8.3-1~deb13u1","2.8.4-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-28757.json"}},{"package":{"name":"expat","ecosystem":"Debian:13","purl":"pkg:deb/debian/expat?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-2"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-28757.json"}},{"package":{"name":"expat","ecosystem":"Debian:14","purl":"pkg:deb/debian/expat?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-2"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-28757.json"}},{"package":{"name":"libxmltok","ecosystem":"Debian:12","purl":"pkg:deb/debian/libxmltok?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2-4","1.2-4.1","1.2-4.1~exp1","1.2-4.2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-28757.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:N/I:N/A:H"}]}