iDefense Security Advisory 12.23.06 – Remote exploitation of a Denial of Service vulnerability in Novell Netmail 3.52 could allow an authenticated attacker the ability to crash the imapd server. Novell NetMail can be made to crash by sending an APPEND command with a single ‘(‘ character as an argument. iDefense has confirmed the existence of this vulnerability in the IMAPD server of Novell NetMail 3.52d and 3.52e. Older versions are suspected to be vulnerable as well.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53277/12.23.06-2.txt
Source: https://packetstormsecurity.com/files/53277/iDEFENSE-Security-Advisory-2006-12-23.2.html