LIBOPENMPT_MODPLUG_API void ModPlug_SeekOrder(ModPlugFile* file,int order)
{
	if(!file) return;
	openmpt_module_set_position_order_row(file->mod,order,0);
}

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.