RealNetworks RealPlayer/RealOne Player/Helix Player all suffer from a memory corruption vulnerability in the handling of specially crafted .mov files. Successful exploitation may lead to code execution.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60447/realplayer-memory-corruption-adv.txt
Source: https://packetstormsecurity.com/files/60447/realplayer-memory-corruption-adv.txt.html