{"id":"USN-6579-2","summary":"xerces-c vulnerability","details":"USN-6579-1 fixed a vulnerability in Xerces-C++. This update provides the\ncorresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04\nand Ubuntu 23.10.\n\nOriginal advisory details:\n\n It was discovered that Xerces-C++ was not properly handling memory\n management operations when parsing XML data containing external DTDs,\n which could trigger a use-after-free error. If a user or automated system\n were tricked into processing a specially crafted XML document, an attacker\n could possibly use this issue to cause a denial of service or execute\n arbitrary code.\n","modified":"2026-04-22T10:43:38.419777Z","published":"2024-01-16T12:15:24Z","related":["UBUNTU-CVE-2018-1311"],"upstream":["CVE-2018-1311","UBUNTU-CVE-2018-1311"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6579-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1311"}],"affected":[{"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_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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6579-2.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1311"}]}}},{"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_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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6579-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1311"}]}}}],"schema_version":"1.7.5"}