The OpenURLInDefaultBrowser method in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, launches a default handler for the filename specified in the first argument, which allows remote attackers to execute arbitrary code via a .rnx filename corresponding to a crafted RNX file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/66728
http://zerodayinitiative.com/advisories/ZDI-11-122/
http://www.vupen.com/english/advisories/2011/0979
http://www.securityfocus.com/bid/47335
http://www.securityfocus.com/archive/1/517470/100/0/threaded
http://service.real.com/realplayer/security/04122011_player/en/