bits_image_fetch_untransformed_32 (pixman_iter_t * iter,
				   const uint32_t *mask)
{
    pixman_image_t *image  = iter->image;
    int             x      = iter->x;
    int             y      = iter->y;
    int             width  = iter->width;
    uint32_t *      buffer = iter->buffer;

    if (image->common.repeat == PIXMAN_REPEAT_NONE)
    {
	bits_image_fetch_untransformed_repeat_none (
	    &image->bits, FALSE, x, y, width, buffer);
    }
    else
    {
	bits_image_fetch_untransformed_repeat_normal (
	    &image->bits, FALSE, x, y, width, buffer);
    }

    iter->y++;
    return buffer;
}

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