{"id":"UBUNTU-CVE-2025-49795","details":"A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.","modified":"2026-04-22T19:53:03.039303Z","published":"2025-06-16T16:15:00Z","upstream":["CVE-2025-49795"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-49795"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-49795"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/issues/932"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/issues/932"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/commit/499bcb78ab389f60c2fd634ce410d4bb85c18765"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/commit/24d7e15914588cb45e7fb41cbe4fcf785e1a4861"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/commit/c24909ba2601848825b49a60f988222da3019667"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libxml2@2.14.5+dfsg-0.2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.5+dfsg-0.2"}]}],"versions":["2.12.7+dfsg+really2.9.14-0.4","2.12.7+dfsg+really2.9.14-0.4ubuntu0.1","2.12.7+dfsg+really2.9.14-1","2.14.3+dfsg-0exp1","2.14.3+dfsg-0exp2","2.14.3+dfsg-0exp3","2.14.4+dfsg-0exp1","2.14.5+dfsg-0exp1","2.14.5+dfsg-0exp2","2.14.5+dfsg-0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxml2-16","binary_version":"2.14.5+dfsg-0.2"},{"binary_name":"libxml2-utils","binary_version":"2.14.5+dfsg-0.2"},{"binary_name":"python3-libxml2","binary_version":"2.14.5+dfsg-0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-49795.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}