Cisco IOS Software contains a vulnerability in the IP version 6 (IPv6) protocol stack implementation that could allow an unauthenticated, remote attacker to cause a reload of an affected device that has IPv6 enabled. The vulnerability may be triggered when the device processes a malformed IPv6 packet. All IOS devices are affected that have IPv6 enabled, which is btw not the default.

Detailed information can be found here.


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