Heap-based buffer overflow in the libaccess_realrtsp plugin in VideoLAN VLC Media Player 0.8.6d and earlier on Windows might allow remote RTSP servers to cause a denial of service (application crash) or execute arbitrary code via a long string.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14597
http://www.vupen.com/english/advisories/2008/0105
http://www.gentoo.org/security/en/glsa/glsa-200803-13.xml
http://www.debian.org/security/2008/dsa-1543