MikMod is a MOD music file player for Linux, UNIX, and similar operating systems. It supports various file formats including MOD, STM, S3M, MTM, XM, ULT, and IT. Multiple input validation flaws, resulting in buffer overflows, were discovered in MikMod. Specially-crafted music files in various formats could, when played, cause an application using the MikMod library to crash or, potentially, execute arbitrary code. All MikMod users should upgrade to these updated packages, which contain backported patches to correct these issues. All running applications using the MikMod library must be restarted for this update to take effect.