All versions of RealPlayer 10 and some builds of RealPlayer 10.5 suffer from a heap overflow in the ID3 tag parsing code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60510/realplayer-heap.txt
Source: https://packetstormsecurity.com/files/60510/realplayer-heap.txt.html