Stack-based buffer overflow in the IMAP daemon (imapd) in MailEnable Professional 1.54 allows remote authenticated users to execute arbitrary code via the status command with a long mailbox name.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-2279
http://www.coresecurity.com/common/showdoc.php?idx=467&idxseccion=10