The most recent version of Apple's Mac OS X (10.5.2) appears contain a
security vulnerability that could allow an attacker to crash computers
on a local or remote network.
Security researcher Neil Kettle of Digit-labs.org on Tuesday posted a proof-of-concept exploit that takes advantage of a flaw in the way the Apple implements IPv6 support.
Most networks use the IPv4 networking protocol; IPv6 is slowly
being deployed to provide a larger number of available network
addresses, improved security, and other features.
In an e-mail, Kettle explained that the bug isn't likely to put
home users at risk because few of them will be using IPv6 networks.
Full story at informationweek.com