CVE-2005-1255: Ipswitch Imail

High severity, CVSS 10.0. EPSS: 42.8% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in the IMAP server in IMail 8.12 and 8.13 in Ipswitch Collaboration Suite (ICS), and other versions before IMail Server 8.2 Hotfix 2, allow remote attackers to execute arbitrary code via a LOGIN command with (1) a long username argument or (2) a long username argument that begins with a special character.

Affected products

• Ipswitch Imail: version 8.12 only; version 8.13 only
• Ipswitch Imail Server: up to and including 8.2_hotfix_2
• Ipswitch Ipswitch Collaboration Suite: any version

Published 2005-05-25. Last modified 2026-06-16.