void CairoImageOutputDev::saveImage(CairoImage *image)
{ 
  if (numImages >= size) {
	  size += 16;
	  images = (CairoImage **) greallocn (images, size, sizeof (CairoImage *));
  }
  images[numImages++] = image;
}	

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.