XcursorLibraryLoadCursors (Display *dpy, const char *file)
{
    int		    size = XcursorGetDefaultSize (dpy);
    char	    *theme = XcursorGetTheme (dpy);
    XcursorImages   *images = XcursorLibraryLoadImages (file, theme, size);
    XcursorCursors  *cursors;

    if (!file)
        return NULL;

    if (!images)
    {
	int id = XcursorLibraryShape (file);

	if (id >= 0)
	{
	    cursors = XcursorCursorsCreate (dpy, 1);
	    if (cursors)
	    {
		cursors->cursors[0] = _XcursorCreateFontCursor (dpy, id);
		if (cursors->cursors[0] == None)
		{
		    XcursorCursorsDestroy (cursors);
		    cursors = NULL;
		}
		else
		    cursors->ncursor = 1;
	    }
	}
	else
	    cursors = NULL;
    }
    else
    {
	cursors = XcursorImagesLoadCursors (dpy, images);
	XcursorImagesDestroy (images);
    }
    return cursors;
}

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.