{"id":"UBUNTU-CVE-2016-4447","details":"The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.","modified":"2026-02-04T02:37:28.843222Z","published":"2016-05-30T00:00:00Z","related":["USN-2994-1"],"upstream":["CVE-2016-4447"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4447"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2994-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-4447"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.1+dfsg1-3ubuntu4.8?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+dfsg1-3ubuntu4.8"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.1+dfsg1-3ubuntu4.8","binary_name":"libxml2"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.8","binary_name":"libxml2-dev"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.8","binary_name":"libxml2-utils"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.8","binary_name":"python-libxml2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4447.json"}},{"package":{"name":"libxml2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.3+dfsg1-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.1"}]}],"versions":["2.9.2+zdfsg1-4","2.9.2+zdfsg1-4ubuntu1","2.9.2+zdfsg1-4ubuntu2","2.9.2+zdfsg1-4ubuntu3","2.9.3+dfsg1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.3+dfsg1-1ubuntu0.1","binary_name":"libxml2"},{"binary_version":"2.9.3+dfsg1-1ubuntu0.1","binary_name":"libxml2-dev"},{"binary_version":"2.9.3+dfsg1-1ubuntu0.1","binary_name":"libxml2-utils"},{"binary_version":"2.9.3+dfsg1-1ubuntu0.1","binary_name":"python-libxml2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4447.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}