Didn't take long after the posting of the proof-of-concept code for the actual exploit code to appear in the wild. Think Apple will be working feverishly to get this patch going? I sure hope so...

"The vulnerability, found in the way QuickTime processes RTSP (Real Time Streaming Protocol) replies, can lead to remote attackers hijacking vulnerable systems. This proof of concept code was posted on Nov. 23 by security researcher Krystian Kloskowski."