Heap-based buffer overflow in the NgwiCalVTimeZoneBody::ParseSelf function in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a crafted TZNAME variable in a VCALENDAR attachment in an e-mail message, related to an "integer truncation error."
https://labs.idefense.com/verisign/intelligence/2009/vulnerabilities/display.php?id=943
https://bugzilla.novell.com/show_bug.cgi?id=678715
http://www.novell.com/support/viewContent.do?externalId=7009208