There have been a series of updates to flash, and I have kept up with them as my package manager has allowed. However, firefox is not recognizing the latest as the latest. about:plugins shows that the version is 11.2.202.425 my package manager shows the version is 11.2.202.440 Firefox and my package manager agree on the path to the .so file. In fact, I copied the path to the .so file out of firefox and checked it in the terminal and it's the right package version AND strings tells me that the version string embedded in the .so itself is the latest. Yet, somehow, firefox really, genuinely thinks that it's version .425 instead of .440. I have restarted firefox. I have even rebooted, even though that shouldn't be necessary.