Sister site ZDNet reports gaping security holes in both Internet Explorer and Firefox today, but there's an unverified report of a quick fix for the Firefox vuln.
"...the entire security model of the browser collapses like a house of cards and renders you vulnerable to a plethora of nasty attacks," Zalewski warns, noting that local system compromise is also possible.
Does this risk make you think twice about using IE? Have you installed the NoScript extension for better security with Firefox? Join the discussion.