Code: static MagickBooleanType SkipRGBMipmaps(Image *image,DDSInfo *dds_info,
  int pixel_size,ExceptionInfo *exception)
{
  MagickOffsetType
    offset;

  register ssize_t
    i;

  size_t
    h,
    w;

  /*
    Only skip mipmaps for textures and cube maps
  */
  if (EOFBlob(image) != MagickFalse)
    {
      ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
        image->filename);
      return(MagickFalse);
    }
  if (dds_info->ddscaps1 & DDSCAPS_MIPMAP
      && (dds_info->ddscaps1 & DDSCAPS_TEXTURE
          || dds_info->ddscaps2 & DDSCAPS2_CUBEMAP))
    {
      w = DIV2(dds_info->width);
      h = DIV2(dds_info->height);

      /*
        Mipmapcount includes the main image, so start from one
      */
       for (i=1; (i < (ssize_t) dds_info->mipmapcount) && w && h; i++)
       {
         offset = (MagickOffsetType) w * h * pixel_size;
        (void) SeekBlob(image, offset, SEEK_CUR);
         w = DIV2(w);
         h = DIV2(h);
       }
    }
  return(MagickTrue);
}

Vulnerability Type: DoS 
CWE ID: CWE-399
Summary: coders/dds.c in ImageMagick before 6.9.0-4 Beta allows remote attackers to cause a denial of service (CPU consumption) via a crafted DDS file.
Commit Message: http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=26861