Firefox receives critical security fixes – update now

Mozilla has released version 3.6.13 of its popular Firefox web browser.

This new version contains fixes for 11 security holes, nine of which have been given the worst rating of “critical” severity, as the vulnerabilities can be used to run malicious attack code and install software – the user has to do nothing to be hit in this way, just normal browsing is enough.

Fortunately Firefox contains an integrated update mechanism (Help / Check for Updates to kickstart the process) which can help ensure that most users are rapidly upgraded to the latest version.

However, don’t dawdle. Malicious hackers could try to exploit the vulnerabilities – described on Mozilla’s website – to infect your computer with malware…

Read more in my article on the Naked Security website.

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Graham Cluley •   @gcluley

Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, on Mastodon at @[email protected], or drop him an email.