{"id":"UBUNTU-CVE-2016-5384","details":"fontconfig before 2.12.1 does not validate offsets, which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary code via a crafted cache file.","modified":"2026-04-22T11:24:23.726040Z","published":"2016-08-08T00:00:00Z","related":["USN-3063-1"],"upstream":["CVE-2016-5384"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-5384"},{"type":"REPORT","url":"https://lists.freedesktop.org/archives/fontconfig/2016-August/005792.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3063-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-5384"}],"affected":[{"package":{"name":"fontconfig","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/fontconfig@2.11.0-0ubuntu4.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0-0ubuntu4.2"}]}],"versions":["2.10.93-0ubuntu1","2.11.0-0ubuntu1","2.11.0-0ubuntu2","2.11.0-0ubuntu3","2.11.0-0ubuntu4","2.11.0-0ubuntu4.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.11.0-0ubuntu4.2","binary_name":"fontconfig"},{"binary_version":"2.11.0-0ubuntu4.2","binary_name":"fontconfig-config"},{"binary_version":"2.11.0-0ubuntu4.2","binary_name":"libfontconfig1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5384.json"}},{"package":{"name":"fontconfig","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/fontconfig@2.11.94-0ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.94-0ubuntu1.1"}]}],"versions":["2.11.1-0ubuntu6","2.11.1-0ubuntu7","2.11.1-0ubuntu8","2.11.1-0ubuntu9","2.11.94-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.11.94-0ubuntu1.1","binary_name":"fontconfig"},{"binary_version":"2.11.94-0ubuntu1.1","binary_name":"fontconfig-config"},{"binary_version":"2.11.94-0ubuntu1.1","binary_name":"libfontconfig1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5384.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"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"}]}