By the way, soon after the bug was fixed, news circulated that there is another bug. This is utterly believable – bugs abound anyway. In fact, researchers Berry-Byrne and Andrew Hayes discovered this bug in the “escape” function. The good news is that they strongly believe that this bug is not exploitable. That means that while those who encounter this bug just might be bugged about it (no pun intended), we are not in danger – security wise.
In any case, you might want to get the latest patch for Firefox, if you have not already.