{"id":"DEBIAN-CVE-2026-49825","details":"lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxml_html_clean 0.4.5.","modified":"2026-09-19T22:47:31.460618037Z","published":"2026-08-20T15:17:30.707Z","upstream":["CVE-2026-49825"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-49825"}],"affected":[{"package":{"name":"lxml","ecosystem":"Debian:12","purl":"pkg:deb/debian/lxml?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9.2-1","4.9.3-1","4.9.4-1","5.1.0-1","5.2.0-1","5.2.1-1","5.2.2-1","5.2.2-2","5.3.0-1","5.3.1-1","5.3.2-1","5.4.0-1","6.0.1-1","6.0.2-1","6.1.0-1","6.1.3-1","7.0.0~a2-1","7.0.0~b1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49825.json"}},{"package":{"name":"lxml","ecosystem":"Debian:13","purl":"pkg:deb/debian/lxml?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.0-1","6.0.1-1","6.0.2-1","6.1.0-1","6.1.3-1","7.0.0~a2-1","7.0.0~b1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49825.json"}},{"package":{"name":"lxml","ecosystem":"Debian:14","purl":"pkg:deb/debian/lxml?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.3-1"}]}],"versions":["5.4.0-1","6.0.1-1","6.0.2-1","6.1.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49825.json"}},{"package":{"name":"lxml-html-clean","ecosystem":"Debian:13","purl":"pkg:deb/debian/lxml-html-clean?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.2-1","0.4.3-1","0.4.4-1","0.4.4-1~deb13u1","0.4.5-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49825.json"}},{"package":{"name":"lxml-html-clean","ecosystem":"Debian:14","purl":"pkg:deb/debian/lxml-html-clean?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.5-1"}]}],"versions":["0.4.2-1","0.4.3-1","0.4.4-1","0.4.4-1~deb13u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49825.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N"}]}