CVE-2000-0198: Atrium Software Mercur IMAP4 Server

Medium severity, CVSS 5.0. EPSS: 8.4% chance of exploitation in the next 30 days.

Buffer overflow in POP3 and IMAP servers in the MERCUR mail server suite allows remote attackers to cause a denial of service.

Affected products

• Atrium Software Mercur IMAP4 Server: version 3.20.01 only
• Atrium Software Mercur Mailserver: version 3.2 only
• Atrium Software Mercur POP3 Server: version 3.20.01 only

Published 2000-03-15. Last modified 2026-06-16.