BlackBerry has always prided itself on its top-notch security features, so it's a little worrying to see the company release a "high severity" advisory today warning of a potential exploit. According to the Waterloo-based operation: Vulnerabilities exist in how the BlackBerry MDS Connection Service and the BlackBerry Messaging Agent process TIFF images for rendering on the BlackBerry smartphone. Essentially, hackers could rig a TIFF file with malware and then trick a BlackBerry user into loading it via webpage, email or an