CVE-2006-4379: Ipswitch Imail Plus

High severity, CVSS 7.5. EPSS: 60.9% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the SMTP Daemon in Ipswitch Collaboration 2006 Suite Premium and Standard Editions, IMail, IMail Plus, and IMail Secure allows remote attackers to execute arbitrary code via a long string located after an '@' character and before a ':' character.

Affected products

• Ipswitch Imail Plus: version 2006 only
• Ipswitch Imail Secure Server: version 2006 only
• Ipswitch Ipswitch Collaboration Suite: version 2006_premium only; version 2006_standard only

Published 2006-09-08. Last modified 2026-06-16.