Multiple heap-based buffer overflows in 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 allow user-assisted remote attackers to execute arbitrary code via (1) a crafted stream in a .pdf file, related to "symWidths"; or (2) a crafted data stream in a .pdf file, related to "bitmaps."

Unspecified vulnerability in the PDF distiller component in the BlackBerry Attachment Service in BlackBerry Unite! 1.0 SP1 (1.0.1) before bundle 36 and BlackBerry Enterprise Server 4.1 SP3 (4.1.3) through 4.1 SP5 (4.1.5) allows user-assisted remote attackers to execute arbitrary code via a crafted PDF file attachment.