	public static void closeSubsequentFS(Path path) {
		if(path != null && FileSystems.getDefault() != path.getFileSystem()) {
			IOUtils.closeQuietly(path.getFileSystem());
		}
	}
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.