Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allows user-assisted remote attackers to force a client to download arbitrary files via the MIME-Type URL flag (-->) for the FLAC image file in a crafted .FLAC file.
http://www.securitytracker.com/id?1018974
http://www.securityfocus.com/archive/1/483765/100/200/threaded
http://www.kb.cert.org/vuls/id/544656
http://securityreason.com/securityalert/3423
http://research.eeye.com/html/advisories/published/AD20071115.html