An easy-to-exploit <A HREF="http://www.eweek.com/article2/0,1895,2078180,00.asp?kc=EWEWEMNL010107EP26A">security vulnerability in Apple Computer's QuickTime media player</A> could put millions of Macintosh and Windows users at risk of code execution attacks. The QuickTime flaw kicked off the Month of Apple Bugs project, which promises to expose unpatched Mac OS X and Apple application vulnerabilities on a daily basis throughout the month of January. According to an advisory released Jan. 1, the flaw exists in the way QuickTime handles a specially rigged "rtsp://" URL.