{"id":"UBUNTU-CVE-2018-1311","details":"The Apache Xerces-C 3.0.0 to 3.2.3 XML parser contains a use-after-free error triggered during the scanning of external DTDs. This flaw has not been addressed in the maintained version of the library and has no current mitigation other than to disable DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.","modified":"2026-02-04T03:10:19.717973Z","published":"2019-12-18T20:15:00Z","related":["USN-6579-1","USN-6579-2","USN-6590-1"],"upstream":["CVE-2018-1311"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1311"},{"type":"REPORT","url":"https://marc.info/?l=xerces-c-users&m=157653840106914&w=2"},{"type":"REPORT","url":"http://xerces.apache.org/xerces-c/secadv/CVE-2018-1311.txt"},{"type":"REPORT","url":"https://issues.apache.org/jira/projects/XERCESC/issues/XERCESC-2188"},{"type":"REPORT","url":"https://github.com/apache/xerces-c/pull/47"},{"type":"REPORT","url":"https://github.com/apache/xerces-c/pull/54"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6579-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6579-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6590-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1311"}],"affected":[{"package":{"name":"xerces-c","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.1.1-5.1+deb8u4ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-5.1+deb8u4ubuntu0.1~esm1"}]}],"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","3.1.1-5.1+deb8u2build0.14.04.1","3.1.1-5.1+deb8u3build0.14.04.1","3.1.1-5.1+deb8u4build0.14.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libxerces-c-dev","binary_version":"3.1.1-5.1+deb8u4ubuntu0.1~esm1"},{"binary_name":"libxerces-c-samples","binary_version":"3.1.1-5.1+deb8u4ubuntu0.1~esm1"},{"binary_name":"libxerces-c3.1","binary_version":"3.1.1-5.1+deb8u4ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1311.json"}},{"package":{"name":"xerces-c","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.1.3+debian-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-1ubuntu0.1~esm2"}]}],"versions":["3.1.1-5.1","3.1.2+debian-1","3.1.3+debian-1","3.1.3+debian-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libxerces-c-dev","binary_version":"3.1.3+debian-1ubuntu0.1~esm2"},{"binary_name":"libxerces-c-samples","binary_version":"3.1.3+debian-1ubuntu0.1~esm2"},{"binary_name":"libxerces-c3.1","binary_version":"3.1.3+debian-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1311.json"}},{"package":{"name":"xerces-c","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.2.0+debian-2ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+debian-2ubuntu0.1~esm2"}]}],"versions":["3.1.4+debian-2","3.1.4+debian-2build1","3.2.0+debian-2","3.2.0+debian-2ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libxerces-c-dev","binary_version":"3.2.0+debian-2ubuntu0.1~esm2"},{"binary_name":"libxerces-c-samples","binary_version":"3.2.0+debian-2ubuntu0.1~esm2"},{"binary_name":"libxerces-c3.2","binary_version":"3.2.0+debian-2ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1311.json"}},{"package":{"name":"xerces-c","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.2.2+debian-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.2+debian-1ubuntu0.1"}]}],"versions":["3.2.2+debian-1build1","3.2.2+debian-1build2","3.2.2+debian-1build3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libxerces-c-dev","binary_version":"3.2.2+debian-1ubuntu0.1"},{"binary_name":"libxerces-c-samples","binary_version":"3.2.2+debian-1ubuntu0.1"},{"binary_name":"libxerces-c3.2","binary_version":"3.2.2+debian-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1311.json"}},{"package":{"name":"xerces-c","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.2.3+debian-3ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3+debian-3ubuntu0.1"}]}],"versions":["3.2.3+debian-3","3.2.3+debian-3build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libxerces-c-dev","binary_version":"3.2.3+debian-3ubuntu0.1"},{"binary_name":"libxerces-c-samples","binary_version":"3.2.3+debian-3ubuntu0.1"},{"binary_name":"libxerces-c3.2","binary_version":"3.2.3+debian-3ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1311.json"}},{"package":{"name":"xerces-c","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/xerces-c@3.2.3+debian-3ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3+debian-3ubuntu0.1~esm1"}]}],"versions":["3.2.3+debian-3","3.2.3+debian-3build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libxerces-c-dev","binary_version":"3.2.3+debian-3ubuntu0.1~esm1"},{"binary_name":"libxerces-c-samples","binary_version":"3.2.3+debian-3ubuntu0.1~esm1"},{"binary_name":"libxerces-c3.2","binary_version":"3.2.3+debian-3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1311.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}