I had this happen to me once, almost. I was driving a Volkswagen Jetta, stopped at a traffic light behind a box truck. I started to reach into my pocket to retrieve my phone when the car started to rev and lurch forward. As I pushed on the brake harder the revs went up also, and in that second, I looked at the back of that truck and thought this is gonna suck!, and then I realized I had my foot caught on the brake and the gas pedal at the same time, so I reached over and slipped it into neutral, the car stopped and just revved, and then repositioned my foot correctly, slid it back into drive and everything has been fine. But, that was driver error, and not the cars fault at all. I should have know better than that!