The IMAP4 service in MERCUR Messaging 2005 before Service Pack 4 allows remote attackers to cause a denial of service (crash) via a message with a long subject field.
Affected Platforms
Microsoft Windows 98Microsoft Windows 98SeAtrium Software Mercur Messaging 2005Microsoft Windows NtMicrosoft Windows MeMicrosoft Windows XpMicrosoft Windows 95Microsoft Windows 2000Microsoft Windows 2003 Server