[ Thanks to An
Anonymous Reader for this link. ]
“There’s a vulnerability in the Kerberos implementation
in several versions of Ubuntu, which could allow an attacker to
cause a denial-of-service on vulnerable servers. The bug is in
Ubuntu 8.04, Ubuntu 9.10, Ubuntu 10.04 and Ubuntu 10.10.“The bug is in the Ubuntu implementation of the Kerberos
authentication protocol. Ubuntu has released a slew of new packages
to fix the flaw. The group said that in most cases, a normal system
update will add the new fixes.”