Mischa Spiegelmock and Andrew Wbeelsoi told the ToorCon hacker conference that the Javascript in the decade old code make it a doddle to cause stack overflows.
According to ZD Net, they think Firefox is impossible to fix without a total rewrite of key sections of the code. The ironically named Window Snyder, the Mozzarella Foundation's security supremeo, said she was going to do a bit of investigating.
More...Credit: The Inquirer