RealNetworks released security advisory for RealPlayer product family: http://service.real.com/realplayer/security/10252007_player/en/ It announces fix of following vulnerability for Linux version of RealPlayer: Vulnerability 5: The identified vulnerability is a malicious ram file which could cause a heap overflow in the RealPlayer. CVE-2007-2264
According to RealNetworks, this issue is fixed in 10.0.9.809 which is the version of RealPlayer we have shipped since August 17th Security release, RHSA-2007:0841. http://rhn.redhat.com/errata/RHSA-2007-0841.html