Vulnerability Found In Firefox 3

by on June 20, 2008
in Firefox, Internet, Personal

Firefox 3 is now officially the most downloaded software in 24 hours. And since Tuesday, it has received over 12 million downloads. Firefox is the world’s most secure browser, but its first critical vulnerability was found just after 5 hours of its release. Even after working for so many months on this browser, it looks like they still missed some holes in the core.

Technical details of the vulnerability were not released to the public, and Zero Day Initiative (ZDI) states that they have reported it to the Mozilla team and they are now working on a patch, which will be out soon. They also said there are no known exploits at this time.

According to ZDI:

We verified the vulnerability in our lab, acquired it from the researcher, then promptly reported the vulnerability to the Mozilla security team shortly after. Successful exploitation of the vulnerability could allow an attacker to execute arbitrary code. Not unlike most browser based vulnerabilities that we see these days, user interaction is required such as clicking on a link in email or visiting a malicious web page.

This vulnerability is not only for Firefox 3, but has also been found in  Firefox 2. So, its better you don’t click any unknown links till the patch isn’t out by Mozilla.


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  • Vulnerability in a browser is unavoidable. What matters is the response time. It would be interesting to see how fast Fx react.

    And sorry for the previous comment. I posted the wrong comment in the wrong tab. Delete it please