I’m sure you’ve all been bombarded with information about this new Flash zero day threat.
It is serious, as there is no known patch available from Adobe, and no known workaround. What’s happened is that hackers, using SQL injection, have hacked a large number of sites to redirect to a malicious SWF file, which has a PDF exploit in it.
Useful links:
Security Focus
Dancho Danchev
Sans
Secunia
Alex Eckelberry