Buffer overflow in Apple iTunes 4.7 allows remote attackers to execute arbitrary code via a long URL in (1) .m3u or (2) .pls playlist files.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18851
http://www.securityfocus.com/bid/12238
http://www.kb.cert.org/vuls/id/377368
http://securitytracker.com/id?1012839
http://secunia.com/advisories/13804
http://lists.apple.com/archives/security-announce/2005/Jan/msg00000.html