Heap-based buffer overflow in IN_MOD.DLL (aka the Module Decoder Plug-in) in Winamp before 5.57, and libmikmod 3.1.12, might allow remote attackers to execute arbitrary code via an Ultratracker file.
http://www.vupen.com/english/advisories/2010/1107
http://www.vupen.com/english/advisories/2009/3575
http://www.securityfocus.com/bid/37374
http://www.securityfocus.com/archive/1/508528/100/0/threaded
http://www.mandriva.com/security/advisories?name=MDVSA-2010:151
http://secunia.com/secunia_research/2009-56/
http://secunia.com/secunia_research/2009-55/
http://secunia.com/advisories/37495
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html