Integer signedness error in gwia.exe in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP allows remote attackers to execute arbitrary code via a signed integer value in the Content-Type header.
https://bugzilla.novell.com/show_bug.cgi?id=642338
http://zerodayinitiative.com/advisories/ZDI-10-241/
http://www.novell.com/support/viewContent.do?externalId=7007154&sliceId=1