Double free vulnerability in the IMAP server component in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP allows remote attackers to execute arbitrary code via a large parameter in a LIST command.

Buffer overflow in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP2 allows remote attackers to execute arbitrary code via a crafted TZID variable in a VCALENDAR message.

Multiple buffer overflows in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP allow remote attackers to execute arbitrary code via variables in a VCALENDAR message, as demonstrated by a long (1) REQUEST-STATUS, (2) TZNAME, (3) COMMENT, or (4) RRULE variable in this message.

Unspecified vulnerability in the Windows client API in Novell GroupWise 7 before SP3 and 6.5 before SP6 Update 3 allows remote authenticated users to access the non-shared stored e-mail messages of another user who has shared at least one folder with the attacker.

The Apache Web Server as used in Novell NetWare 6.5 and GroupWise allows remote attackers to obtain sensitive information via a certain directive to Apache that causes the HTTP-Header response to be modified, which may reveal the server's internal IP address.

Unspecified vulnerability in the Windows Client API in Novell GroupWise 5.x through 7 might allow users to obtain "random programmatic access" to other email within the same post office.