Mozilla beefing up JavaScript performance with new JIT compiler IonMonkey JavaScript will debut with Firefox 18 in early 2013. Sean Gallagher – Sep 12, 2012 9:35 am | 40 ...

If a JavaScript function is called more than six times, or loops more than 100 times, it gets fed into the next stage: a basic JIT compiler that produces executable code.

The vulnerability impacts IonMonkey, which is a JavaScript JIT compiler for SpiderMonkey, the main component at Firefox's core that handles JavaScript operations (Firefox's JavaScript engine).

The release of Firefox 72.0.1 came just one day after the newest version of the browser rolled out and fixes a type confusion bug in the IonMonkey JavaScript JIT (Just-in-Time) compiler of ...

Mozilla has released a patch for Firefox and Firefox ESR. It fixes a zero-day flaw in the IonMonkey JavaScript JIT compiler that is already being exploited in the wild to attack systems.

Mozilla has released Firefox 18 beta for Windows, Mac, and Linux. New features include faster JavaScript compiling via IonMonkey and Retina Display support.