Adobe have announced that they've moved up the critical security update for Flash Player to Monday, September 20, 2010.
Be sure to grab the update ASAP as the security hole it patches (CVE-2010-2884) is being exploited in-the-wild on at least Windows boxes. So far no known exploit is being used on Mac OS X.
You can read Adobe's announcement here:
Schedule Update to Security Advisory for Adobe Flash Player (APSA 10-03)
Meanwhile, the critical security updates for Adobe Reader and Acrobat remain scheduled for the week of October 4, 2010.