{"id":"UBUNTU-CVE-2025-24928","details":"libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047.","modified":"2026-04-22T15:39:47.638646Z","published":"2025-02-18T23:15:00Z","related":["USN-7302-1"],"upstream":["CVE-2025-24928"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-24928"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-24928"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/issues/847"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2025/02/18/2"},{"type":"REPORT","url":"https://issues.oss-fuzz.com/issues/392687022"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7302-1"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.1+dfsg1-3ubuntu4.13+esm7?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+dfsg1-3ubuntu4.13+esm7"}]}],"versions":["2.9.1+dfsg1-3ubuntu2","2.9.1+dfsg1-3ubuntu3","2.9.1+dfsg1-3ubuntu4","2.9.1+dfsg1-3ubuntu4.1","2.9.1+dfsg1-3ubuntu4.2","2.9.1+dfsg1-3ubuntu4.3","2.9.1+dfsg1-3ubuntu4.4","2.9.1+dfsg1-3ubuntu4.5","2.9.1+dfsg1-3ubuntu4.6","2.9.1+dfsg1-3ubuntu4.7","2.9.1+dfsg1-3ubuntu4.8","2.9.1+dfsg1-3ubuntu4.9","2.9.1+dfsg1-3ubuntu4.10","2.9.1+dfsg1-3ubuntu4.11","2.9.1+dfsg1-3ubuntu4.12","2.9.1+dfsg1-3ubuntu4.13","2.9.1+dfsg1-3ubuntu4.13+esm1","2.9.1+dfsg1-3ubuntu4.13+esm2","2.9.1+dfsg1-3ubuntu4.13+esm3","2.9.1+dfsg1-3ubuntu4.13+esm4","2.9.1+dfsg1-3ubuntu4.13+esm5","2.9.1+dfsg1-3ubuntu4.13+esm6"],"ecosystem_specific":{"availability":"Available 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with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libxml2","binary_version":"2.9.3+dfsg1-1ubuntu0.7+esm7"},{"binary_name":"libxml2-utils","binary_version":"2.9.3+dfsg1-1ubuntu0.7+esm7"},{"binary_name":"python-libxml2","binary_version":"2.9.3+dfsg1-1ubuntu0.7+esm7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-24928.json"}},{"package":{"name":"libxml2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.4+dfsg1-6.1ubuntu1.9+esm2?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.9+esm2"}]}],"versions":["2.9.4+dfsg1-4ubuntu1","2.9.4+dfsg1-5ubuntu1","2.9.4+dfsg1-5ubuntu2","2.9.4+dfsg1-5.1ubuntu1","2.9.4+dfsg1-5.2ubuntu1","2.9.4+dfsg1-6.1ubuntu1","2.9.4+dfsg1-6.1ubuntu1.2","2.9.4+dfsg1-6.1ubuntu1.3","2.9.4+dfsg1-6.1ubuntu1.4","2.9.4+dfsg1-6.1ubuntu1.5","2.9.4+dfsg1-6.1ubuntu1.6","2.9.4+dfsg1-6.1ubuntu1.7","2.9.4+dfsg1-6.1ubuntu1.8","2.9.4+dfsg1-6.1ubuntu1.9","2.9.4+dfsg1-6.1ubuntu1.9+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): 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subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-24928.json"}},{"package":{"name":"libxml2","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.14+dfsg-1.3ubuntu3.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.14+dfsg-1.3ubuntu3.2"}]}],"versions":["2.9.14+dfsg-1.3","2.9.14+dfsg-1.3build1","2.9.14+dfsg-1.3build2","2.9.14+dfsg-1.3build3","2.9.14+dfsg-1.3ubuntu1","2.9.14+dfsg-1.3ubuntu2","2.9.14+dfsg-1.3ubuntu3","2.9.14+dfsg-1.3ubuntu3.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libxml2","binary_version":"2.9.14+dfsg-1.3ubuntu3.2"},{"binary_name":"libxml2-utils","binary_version":"2.9.14+dfsg-1.3ubuntu3.2"},{"binary_name":"python3-libxml2","binary_version":"2.9.14+dfsg-1.3ubuntu3.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-24928.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}