static Image *ReadOneDJVUImage(LoadContext* lc,const int pagenum,
  const ImageInfo *image_info,ExceptionInfo *exception)
{
  ddjvu_page_type_t
     type;

  ddjvu_pageinfo_t info;
  ddjvu_message_t *message;
   Image *image;
   int logging;
   int tag;
  MagickBooleanType status;
 
         /* so, we know that the page is there! Get its dimension, and  */
 
        /* Read one DJVU image */
        image = lc->image;

        /* register PixelPacket *q; */

        logging=LogMagickEvent(CoderEvent,GetMagickModule(), "  enter ReadOneDJVUImage()");
        (void) logging;

#if DEBUG
        printf("====  Loading the page %d\n", pagenum);
#endif
        lc->page = ddjvu_page_create_by_pageno(lc->document, pagenum); /*  0? */

        /* pump data untill the page is ready for rendering. */
        tag=(-1);
        do {
                while ((message = ddjvu_message_peek(lc->context)))
                        {
                                tag=process_message(message);
                                if (tag == 0) break;
                                ddjvu_message_pop(lc->context);
                        }
                /* fixme: maybe exit? */
                /* if (lc->error) break; */

                message = pump_data_until_message(lc,image);
                if (message)
                        do {
                                tag=process_message(message);
                                if (tag == 0) break;
                                ddjvu_message_pop(lc->context);
                        } while ((message = ddjvu_message_peek(lc->context)));
        } while (!ddjvu_page_decoding_done(lc->page));

        ddjvu_document_get_pageinfo(lc->document, pagenum, &info);

        image->x_resolution = (float) info.dpi;
        image->y_resolution =(float) info.dpi;
        if (image_info->density != (char *) NULL)
          {
            int
              flags;

            GeometryInfo
              geometry_info;

            /*
              Set rendering resolution.
            */
            flags=ParseGeometry(image_info->density,&geometry_info);
            image->x_resolution=geometry_info.rho;
            image->y_resolution=geometry_info.sigma;
            if ((flags & SigmaValue) == 0)
              image->y_resolution=image->x_resolution;
            info.width=(int) (info.width*image->x_resolution/info.dpi);
            info.height=(int) (info.height*image->y_resolution/info.dpi);
            info.dpi=(int) MagickMax(image->x_resolution,image->y_resolution);
          }
        type = ddjvu_page_get_type(lc->page);

        /* double -> float! */
        /* image->gamma = (float)ddjvu_page_get_gamma(lc->page); */

        /* mmc:  set  image->depth  */
        /* mmc:  This from the type */

        image->columns=(size_t) info.width;
        image->rows=(size_t) info.height;

        /* mmc: bitonal should be palettized, and compressed! */
        if (type == DDJVU_PAGETYPE_BITONAL){
                image->colorspace = GRAYColorspace;
                image->storage_class = PseudoClass;
                image->depth =  8UL;    /* i only support that? */
                image->colors= 2;
                if (AcquireImageColormap(image,image->colors) == MagickFalse)
                  ThrowReaderException(ResourceLimitError,
                   "MemoryAllocationFailed");
        } else {
                image->colorspace = RGBColorspace;
                image->storage_class = DirectClass;
                /* fixme:  MAGICKCORE_QUANTUM_DEPTH ?*/
                image->depth =  8UL;    /* i only support that? */

                 image->matte = MagickTrue;
                 /* is this useful? */
         }
        status=SetImageExtent(image,image->columns,image->rows);
        if (status == MagickFalse)
          {
            InheritException(exception,&image->exception);
            return(DestroyImageList(image));
          }
 #if DEBUG
         printf("now filling %.20g x %.20g\n",(double) image->columns,(double)
           image->rows);
#endif


#if 1                           /* per_line */

        /* q = QueueAuthenticPixels(image,0,0,image->columns,image->rows); */
        get_page_image(lc, lc->page, 0, 0, info.width, info.height, image_info);
#else
        int i;
        for (i = 0;i< image->rows; i++)
                {
                        printf("%d\n",i);
                        q = QueueAuthenticPixels(image,0,i,image->columns,1);
                        get_page_line(lc, i, quantum_info);
                        SyncAuthenticPixels(image);
                }

#endif /* per_line */


#if DEBUG
        printf("END: finished filling %.20g x %.20g\n",(double) image->columns,
          (double) image->rows);
#endif

        if (!image->ping)
          SyncImage(image);
        /* indexes=GetAuthenticIndexQueue(image); */
        /* mmc: ??? Convert PNM pixels to runlength-encoded MIFF packets. */
        /* image->colors =  */

        /* how is the line padding  / stride? */

        if (lc->page) {
                ddjvu_page_release(lc->page);
                lc->page = NULL;
        }

        /* image->page.y=mng_info->y_off[mng_info->object_id]; */
        if (tag == 0)
          image=DestroyImage(image);
        return image;
        /* end of reading one DJVU page/image */
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.