CVE-2006-1158: Kerio Mailserver

High severity, CVSS 7.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Kerio MailServer before 6.1.3 Patch 1 allows remote attackers to cause a denial of service (application crash) via a crafted IMAP LOGIN command.

Affected products

• Kerio Kerio Mailserver: version 5.6.4 only; version 5.6.5 only; version 5.7.0 only; version 5.7.1 only; version 5.7.2 only; version 5.7.3 only; …

Published 2006-03-12. Last modified 2026-06-16.