libmikmod 3.1.9 through 3.2.0, as used by MikMod, SDL-mixer, and possibly other products, relies on the channel count of the last loaded song, rather than the currently playing song, for certain playback calculations, which allows user-assisted attackers to cause a denial of service (application crash) by loading multiple songs (aka MOD files) with different numbers of channels.
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01312.html
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01305.html
https://bugzilla.redhat.com/show_bug.cgi?id=479829
http://www.securityfocus.com/bid/33235
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://secunia.com/advisories/34259
http://openwall.com/lists/oss-security/2009/01/13/2
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html