Adobe Flash - Uninitialized Stack Parameter Access in AsBroadcaster.broadcastMessage UaF Fix

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=717 The ActionScript parameter conversion in the fix for an issue in the December Flash bulletin https://helpx.adobe.com/security/products/flash-player/apsb15-32.html, most likely one of the UaFs reported by Yuki Chen can sometimes...