CVE-2008-0858: Kerio Mailserver

High severity, CVSS 7.5. EPSS: 4% chance of exploitation in the next 30 days.

Buffer overflow in the Visnetic anti-virus plugin in Kerio MailServer before 6.5.0 might allow remote attackers to execute arbitrary code via unspecified vectors.

Affected products

• Kerio Kerio Mailserver: up to and including 6.4.2
• Visnetic Visnetic Antivirus Plug-In For Mail Server: any version

Published 2008-02-21. Last modified 2026-06-16.