Multiple stack-based buffer overflows in RealNetworks RealPlayer before 17.0.4.61 on Windows, and Mac RealPlayer before 12.0.1.1738, allow remote attackers to execute arbitrary code via a long (1) version number or (2) encoding declaration in the XML declaration of an RMP file, a different issue than CVE-2013-6877.
https://exchange.xforce.ibmcloud.com/vulnerabilities/90160
http://www.securityfocus.com/bid/64695
http://www.kb.cert.org/vuls/id/698278
http://www.exploit-db.com/exploits/30468/
http://service.real.com/realplayer/security/12202013_player/en/