RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1.4 on Windows do not properly handle dimensions during YUV420 transformations, which might allow remote attackers to execute arbitrary code via crafted MP4 content.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7169
https://exchange.xforce.ibmcloud.com/vulnerabilities/61421
http://www.vupen.com/english/advisories/2010/2216
http://www.securitytracker.com/id?1024370
http://service.real.com/realplayer/security/08262010_player/en/
http://secunia.com/secunia_research/2010-5/