Hackers claim zero-day flaw in Firefox

The open-source Firefox Web browser is critically flawed in the way it handles JavaScript, two hackers said Saturday afternoon. An attacker could commandeer a computer running the browser simply by crafting a Web page that contains some malicious JavaScript code, Mischa Spiegelmock and Andrew Wbeelsoi said in a presentation at the ToorCon hacker conference here. The flaw affects Firefox on Windows, Apple Computer's Mac OS X and Linux, they said.

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