{"id":"UBUNTU-CVE-2016-2099","details":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","modified":"2026-04-22T10:34:39.485339Z","published":"2016-05-13T14:59:00Z","related":["USN-4784-1"],"upstream":["CVE-2016-2099"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-2099"},{"type":"REPORT","url":"https://issues.apache.org/jira/browse/XERCESC-2066"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-2099"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4784-1"}],"affected":[{"package":{"name":"xerces-c","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.1.1-5.1+deb8u2build0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-5.1+deb8u2build0.14.04.1"}]}],"versions":["3.1.1-3","3.1.1-3ubuntu1","3.1.1-4","3.1.1-5","3.1.1-5.1~build0.14.04.1","3.1.1-5.1+deb8u1build0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxerces-c-samples","binary_version":"3.1.1-5.1+deb8u2build0.14.04.1"},{"binary_name":"libxerces-c3.1","binary_version":"3.1.1-5.1+deb8u2build0.14.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2099.json"}},{"package":{"name":"xerces-c","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.1.3+debian-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-1ubuntu0.1~esm1"}]}],"versions":["3.1.1-5.1","3.1.2+debian-1","3.1.3+debian-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxerces-c-samples","binary_version":"3.1.3+debian-1ubuntu0.1~esm1"},{"binary_name":"libxerces-c3.1","binary_version":"3.1.3+debian-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2099.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}