Another day, another huge Adobe security hole ...
Your first response might be to panic at the disco, but take a deep breath. Yes, the vulnerability affects all platforms, and yes, there are reported exploits in the wild, but don’t worry, Adobe will put out a patch for version 9 by, oh, March 11th, with patches for version 8 and version 7 to follow. Hey, that's only a mere nineteen days from now.
This is on top of their installer disasters.
I removed Reader from OS X 10.5 a year ago, and I've never missed it. Use Preview.