Research in Motion (RIM) BlackBerry Router allows remote attackers to cause a denial of service (communication disruption) via crafted Server Routing Protocol (SRP) packets.

Buffer overflow in the decompression algorithm in Research in Motion BlackBerry Enterprise Server 4.0 SP1 and earlier before 20050607 might allow remote attackers to execute arbitrary code via certain data packets.

Buffer overflow in BlackBerry Attachment Service in Research in Motion (RIM) BlackBerry Enterprise Server 2.2 and 4.0 before SP3 Hotfix 4 for IBM Lotus Domino, 3.6 before SP7 and 5.0 before SP3 Hotfix 3 for Microsoft Exchangem, and 4.0 for Novell GroupWise before SP3 Hotfix 1 might allow user-assisted remote attackers to execute arbitrary code on the server via a crafted Microsoft Word document that is opened on a wireless device.

The BlackBerry Attachment Service in Research in Motion (RIM) BlackBerry Enterprise Server (BES) 4.0 to version 4.0 Service Pack 2 allows attackers to cause a denial of service via a malformed Portable Network Graphics (PNG) file that triggers a heap-based buffer overflow.