The PDF distiller in the Attachment Service in Research in Motion (RIM) BlackBerry Enterprise Server (BES) 4.1.3 through 4.1.6, BlackBerry Professional Software 4.1.4, and BlackBerry Unite! before 1.0.3 bundle 28 performs delete operations on uninitialized pointers, which allows user-assisted remote attackers to execute arbitrary code via a crafted data stream in a .pdf file.
http://www.securitytracker.com/id?1021559
http://www.securityfocus.com/bid/33250
http://www.blackberry.com/btsc/search.do?cmd=displayKC&docType=kc&externalId=KB17119
http://www.blackberry.com/btsc/search.do?cmd=displayKC&docType=kc&externalId=KB17118
http://secunia.com/advisories/33534
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=766