{"id":"UBUNTU-CVE-2019-11499","details":"In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.","modified":"2026-02-04T03:26:15.229489Z","published":"2019-04-30T12:00:00Z","withdrawn":"2025-07-18T16:45:08Z","related":["USN-3961-1"],"upstream":["CVE-2019-11499"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11499"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3961-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11499"}],"affected":[{"package":{"name":"dovecot","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dovecot@1:2.2.22-1ubuntu2.10?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.2.22-1ubuntu2.10"}]}],"versions":["1:2.2.18-2ubuntu2","1:2.2.22-1ubuntu1","1:2.2.22-1ubuntu2","1:2.2.22-1ubuntu2.1","1:2.2.22-1ubuntu2.2","1:2.2.22-1ubuntu2.3","1:2.2.22-1ubuntu2.4","1:2.2.22-1ubuntu2.6","1:2.2.22-1ubuntu2.7","1:2.2.22-1ubuntu2.8","1:2.2.22-1ubuntu2.9"],"ecosystem_specific":{"availability":"No subscription 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