Report the bugs for the good of the community, don't muck about.
I hate all this "I'm not going to tell you because I've got some power over you".
Black Hats? Who are they ... peers? Criminals? Bank-manager? Granny? I smell a rat.
I'm annoyed now, ones things for sure it won't stop me from using Firefox, but it doesn't make me feel comfortable about using it either.
Give me the hackers address, time to tell them exactly what I think of them!
If only they lived in London ... I would knock on there doors, I really would!