{"id":"UBUNTU-CVE-2018-14424","details":"The daemon in GDM through 3.29.1 does not properly unexport display objects from its D-Bus interface when they are destroyed, which allows a local attacker to trigger a use-after-free via a specially crafted sequence of D-Bus method calls, resulting in a denial of service or potential code execution.","modified":"2026-04-22T12:53:11.849951Z","published":"2018-08-13T00:00:00Z","related":["USN-3737-1"],"upstream":["CVE-2018-14424"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14424"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3737-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-14424"}],"affected":[{"package":{"name":"gdm3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gdm3@3.18.3-0ubuntu2.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.18.0-2ubuntu1","3.18.0-2ubuntu2","3.18.0-2ubuntu3","3.18.0-2ubuntu4","3.18.2-1ubuntu1","3.18.2-1ubuntu2","3.18.3-0ubuntu1","3.18.3-0ubuntu2","3.18.3-0ubuntu2.1","3.18.3-0ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.18.3-0ubuntu2.2","binary_name":"gdm"},{"binary_version":"3.18.3-0ubuntu2.2","binary_name":"gdm3"},{"binary_version":"3.18.3-0ubuntu2.2","binary_name":"gir1.2-gdm-1.0"},{"binary_version":"3.18.3-0ubuntu2.2","binary_name":"libgdm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14424.json"}},{"package":{"name":"gdm3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gdm3@3.28.2-0ubuntu1.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.2-0ubuntu1.4"}]}],"versions":["3.26.1-3ubuntu2","3.26.1-3ubuntu3","3.26.2.1-0ubuntu1","3.26.2.1-2ubuntu1","3.26.2.1-2ubuntu2","3.27.90-0ubuntu1","3.27.92-0ubuntu1","3.28.0-0ubuntu1","3.28.2-0ubuntu1.2","3.28.2-0ubuntu1.3"],"ecosystem_specific":{"binaries":[{"binary_version":"3.28.2-0ubuntu1.4","binary_name":"gdm3"},{"binary_version":"3.28.2-0ubuntu1.4","binary_name":"gir1.2-gdm-1.0"},{"binary_version":"3.28.2-0ubuntu1.4","binary_name":"libgdm1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14424.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}