CVE-2019-19722: Dovecot

Medium severity, CVSS 5.3. EPSS: 2.5% chance of exploitation in the next 30 days.

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Affected products

• Dovecot Dovecot: before 2.3.9.2 (fixed in 2.3.9.2)
• Fedoraproject Fedora: version 30 only; version 31 only

Published 2019-12-13. Last modified 2026-06-17.