Yes, many many times. It's just new to startupland.

On the scale of Internet exploit significance, this is actually quite low compared to many of the exploits in MSF.

Metasploit releases significant exploits pretty frequently. HD (the author of the blog post) is featured for one of his more interesting exploits in this NYTimes article from last year: http://www.nytimes.com/2012/01/23/technology/flaws-in-videoc...