{"id":"CVE-2018-18898","details":"The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.","modified":"2026-03-12T22:49:31.474062Z","published":"2019-03-21T16:00:29.873Z","references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YR46PPHBEM76DNN4DEQMAYIKLCO3TQU2/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CPJVDT77ZPRU5Z2BEMZM7EBY6WZHUATZ/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4517-1/"},{"type":"ADVISORY","url":"https://bestpractical.com/download-page"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00009.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.1.13"},{"last_affected":"4.4.0"}]},{"events":[{"introduced":"0"},{"last_affected":"28"}]},{"events":[{"introduced":"0"},{"last_affected":"29"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18898.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}