mouse hole as a temporary patcher?

[David Curran]

Hello.
Can mousehole prevent particular JavaScript from ever being loaded by the
browser?
On Windows the POC code given on
http://packetstormsecurity.org/0512-exploits/firefox-1.5-buffer-overflow.txt
will fill up your history.dat file making firefox unusable.
Greasemonkey cannot be used to plug this hole because all JavaScript is
loaded before it monkeys around with it.
Is it possible to replace any document.title with length greater then say
200 using mousehole?
  Sorry if this question is idiotic, I just fell into mouse hole through a
hole in greasemonkey.
     Regards
        David
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