CVE-2005-4411: David Harris Mercury Mail Transport System

High severity, CVSS 7.5. EPSS: 64.7% chance of exploitation in the next 30 days.

Buffer overflow in Mercury Mail Transport System 4.01b allows remote attackers to execute arbitrary code via a long request to TCP port 105.

Affected products

• David Harris Mercury Mail Transport System: version 4.01b only

Published 2005-12-20. Last modified 2026-06-16.