{"id":"CVE-2018-6553","details":"The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. A local attacker could possibly use this issue to escape confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu 18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to 2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in Ubuntu 14.04 LTS.","modified":"2026-03-15T22:26:29.894087Z","published":"2018-08-10T15:29:01.187Z","related":["CGA-qxg7-473x-3rcv"],"references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201908-08"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/usn/usn-3713-1"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4243"},{"type":"REPORT","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6553.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}