Firefox 3.5.1 represents a step towards a faster browser.
Several benchmarks show Safari 4, Opera 10 and Chrome as the fastest browsers on the market - I heard "Webkit rules" - and they only seem to lack in the plug-ins feature.
I'm not taking into account IE X.x because... I think it already exists only because is bundled into the most common OS in the world. And there's no reason to use it.
Anyway... After the first exploit (more here) soon patched by Mozilla team, we got a bug in JavaScript engine, not well managed in 3.5.1.
The issue is well described here and this time it is not useful for executing code (at the moment), but "only" for a DoS.
Possible workaround? Disable JavaScript, No-Script plug-in or switch to the older JavaScript engine from about:config, disabling javascript.options.jit.content. Choosing the 3rd option, there will be a drop in the overall performances of Firefox.
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