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: http://www.apple.com/support/downloads/