CVE-2010-3780: Dovecot

Medium severity, CVSS 4.0. EPSS: 2.1% chance of exploitation in the next 30 days.

Dovecot 1.2.x before 1.2.15 allows remote authenticated users to cause a denial of service (master process outage) by simultaneously disconnecting many (1) IMAP or (2) POP3 sessions.

Affected products

• Dovecot Dovecot: version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; …

Published 2010-10-06. Last modified 2026-06-16.