Apple has issued an update to its AirPort Base Station software, and this update includes a patch for one security flaw. The AirPort Utility 5.5.1 software, available via Software Update, is a 10 MB download, and, after installation, will prompt users, when launched, to apply the new firmware update to AirPort base stations and Time Capsules. This update is available for Mac OS X 10.5.7 or later, and more information about the vulnerability that is patched can be found here.