MagickExport ssize_t GetImageReferenceCount(Image *image)
{
  ssize_t
    reference_count;

  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  LockSemaphoreInfo(image->semaphore);
  reference_count=image->reference_count;
  UnlockSemaphoreInfo(image->semaphore);
  return(reference_count);
}

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.