If you haven't updated your Firefox or Mozilla Web browser lately, now might be a good time to do so.

Computer code that demonstrates how a known flaw in an older version of the browsers can be exploited in a potentially crippling attack was published on the Web over the weekend. The vulnerability was fixed in Firefox 1.0.5, released in July, and in Mozilla Suite 1.7.9, according to Mozilla.

The code was published by Aviv Raff, a developer in Israel. "I think it's been enough time for people to upgrade from v1.0.4 of Firefox....

By Joris Evers
Staff Writer, CNET News.com
Published: December 13, 2005, 3:47 PM PST