{"id":"CVE-2021-40110","details":"In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking.","aliases":["GHSA-r58x-wjg8-63m9"],"modified":"2026-07-09T00:36:47.283805Z","published":"2022-01-04T09:15:07.327Z","related":["CGA-qgcg-m544-fjp4"],"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2022/01/04/2"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2022/01/04/2"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/james-project","events":[{"introduced":"0"},{"fixed":"863d81872046ecc793fa782a74f87a01b6a22659"}],"database_specific":{"cpe":"cpe:2.3:a:apache:james:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.6.1"}],"source":"CPE_RANGE"}}],"versions":["james-project-3.6.0","james-project-3.4.0","james-project-3.3.0","pre-3.1.0","james-project-3.0.0","cassandra_migration_v1_to_v2","james-project-3.0.0-RC1","james-project-3.0.0-beta5","james-project-3.0-beta5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40110.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"}]}