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Comment by Normal_gaussian

14 hours ago

In many cases, the difference between a bug and an attack vector lies in the closed source areas.

This is going to be the case automating attack detection against most programs where a portion is obscured.

>In many cases, the difference between a bug and an attack vector lies in the closed source areas.

You say many cases, let's see some examples in Safari.

However, Firefox also needs to use the closed source OS when running on Windows or macOS.

There are also WebKit-based Linux browsers, which obviously do not use closed-source OS interfaces.

My pessimistic guess on reasoning is that they suspected Firefox to have more tech debt.