Adobe said that the bug affects Flash Player 10.0.45.2, the most up-to-date version of the popular media player, as well as older editions on Windows, Macintosh, Linux and Solaris. Also vulnerable: PDF viewer Adobe Reader 9.x and PDF creation software Adobe Acrobat 9.x on Windows, Macintosh and Unix.
At the meantime, Adobe said that Flash Player 10.1 Release Candidate "does not appear to be vulnerable" to this attack.
UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3
