8
Zone-H doesn't list any of the above domains as being hacked / defaced; some of them return a 403 error, others load fine.
I just tried to run the thread through babelfish, but was unable to discern much from the translation. So far I see a lot of FUD and very little real information. I'm not saying that such a bug doesn't exist, but we definitely need to know more about the problem first. The best I could extract from the translation says that it only affects sites running PHP 5.