The iCalendar component in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before Support Pack 3 allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted date-time string in a .ics attachment.
https://bugzilla.novell.com/show_bug.cgi?id=733887
http://www.securitytracker.com/id?1027540
http://www.novell.com/support/kb/doc.php?id=7010767
http://secunia.com/secunia_research/2012-30/
http://archives.neohapsis.com/archives/bugtraq/2012-09/0075.html