Well the good news is that this output means you are not affected by the bug I thought you might be. The bad news is that we'll probably have to do a few more things to figure out what is going on.
Originally Posted by Zlap
First, you should try re-installing your flash plug-in. The method will depend on how you installed flash in the first place, but if you installed it through Synaptic, all you need to do is this:
sudo apt-get update
sudo apt-get purge flashplugin-installer flashplugin-nonfree
sudo apt-get install flashplugin-installer flashplugin-nonfree