CVE-2006-0559: McAfee Webshield Smtp

High severity, CVSS 10.0. EPSS: 6.1% chance of exploitation in the next 30 days.

Format string vulnerability in the SMTP server for McAfee WebShield 4.5 MR2 and earlier allows remote attackers to execute arbitrary code via format strings in the domain name portion of a destination address, which are not properly handled when a bounce message is constructed.

Affected products

• McAfee Webshield Smtp: up to and including 4.5

Published 2006-04-04. Last modified 2026-06-16.