While Microsoft's security bulletins for May report no critical vulnerabilities, two severe vulnerabilities have been discovered in version 1.0.3 of the Mozilla Firefox browser. Firefox has been growing fast in popularity since its official release in November of last year and now makes up around 16% of all visits to www.f-prot.com. These vulnerabilities involve the handling of Javascript and could allow an attacker to execute arbitrary code on affected computers.
To fix this problem Firefox users need to download and install version 1.0.4 of Mozilla Firefox.
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Mozilla Firefox: