About the security content of AirPort Firmware Updates 5.7 and 6.3
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AirPort Firmware Update 5.7
AirPort Firmware Update 6.3
Impact: AirPort network interface becomes unresponsive
Description: A malicious network attacker that can generate specially crafted packets may be able to cause an AirPort base station's network interface to stop responding normally, resulting in a denial-of-service. This update addresses the issue by discarding the malformed packets. Credit to Michael Zanetta of NETwork Security Consortium for reporting this issue.