Not to mention the fact that the RCC went to great lengths to purge the world of Bibles outside its control. Going so far as to make it a crime to own one, even executing those caught with even portions of Scripture.
You are absolutely right, unauthorized mistranslations were banned. People were executed for possessing the John Wycliffe's heretical translation.
However, it is a Protestant LIE that anyone was ever punished for possessing the authorized Latin Vulgate.