CVE-2019-11499

dovecot: unacceptable authentication message in AUTH PLAIN over TLS leads to crash and possible DoS

Published May 8, 2019 CVSS 3.1 · 7.5 High EPSS 2.5% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2019-3172 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.
Ubuntu USN Ubuntu USN USN-3961-1 Dovecot vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 10:55 PM
Reserved
Apr 24, 2019, 12:00 AM
Status
Modified
Published
May 8, 2019, 5:29 PM
Modified
Jun 17, 2026, 2:13 AM
Severity
Moderate
Public date
Apr 30, 2019, 12:00 AM