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Mozilla warns of memory corruption vulnerability

People using Mozilla's Firefox browser to navigate the internet may want to update their browsers with the latest patch that has just been released to minimise the risk of online threats.

Mozilla has issued nine online security patches for the browser, with one classified as "critical", due to the possibility of the vulnerability it extends to fix being used to run attacker code.

The vulnerability, which also carries the risk of memory corruption, can pave the way for malicious software installation "requiring no user interaction beyond normal browsing", a security advisory cautioned.

A second vulnerability classified as "high" could be exploited to steal sensitive data from sites in other windows or "inject data or code into those sites", during normal browsing activity.

The company strongly recommended upgrading to this latest issue, which would happen automatically for those with Firefox 3.0 browsers.

As well as upgrading the moment such patches are issued, internet security experts recommend having proper ant-virus software and active firewalls.

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