About the security content of AirPort Base Station Firmware Update 7.6.4

This document describes the security content of AirPort Base Station Firmware Update 7.6.4.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key."

Where possible, CVE IDs are used to reference the vulnerabilities for further information.

To learn about other Security Updates, see "Apple Security Updates".

AirPort Base Station Firmware Update 7.6.4

  • Available for: AirPort Extreme Base Station with 802.11n, AirPort Express Base Station with 802.11n, Time Capsule

    Impact: An associated client may be able to cause an unexpected base station system termination

    Description: An issue existed in the parsing of small frames with incorrect lengths. This issue was addressed by adding size checking to the parsing of small frames.


    CVE-2013-5132 : Joonas Kuorilehto of Codenomicon

Installation note for Firmware version 7.6.4

Firmware version 7.6.4 is installed into Time Capsule or AirPort Base Station with 802.11n via AirPort Utility, provided with the device.

It is recommended that AirPort Utility 6.3.1 be installed before upgrading to Firmware version 7.6.4 on OS X systems, and AirPort Utility 1.3.1 for iOS devices.

AirPort Utility may be obtained through Apple's Software Download site:

Important: Mention of third-party websites and products is for informational purposes only and constitutes neither an endorsement nor a recommendation. Apple assumes no responsibility with regard to the selection, performance or use of information or products found at third-party websites. Apple provides this only as a convenience to our users. Apple has not tested the information found on these sites and makes no representations regarding its accuracy or reliability. There are risks inherent in the use of any information or products found on the Internet, and Apple assumes no responsibility in this regard. Please understand that a third-party site is independent from Apple and that Apple has no control over the content on that website. Please contact the vendor for additional information.
Last Modified: Sep 6, 2013
  • Last Modified: Sep 6, 2013
  • Article: HT5920
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