Today, we have accidentally discovered that the vulnerability, which is described here
and its third party identifications are
Secunia Advisory: SA21938
is active again in the today's update of Norton Personal Firewall 2006 version 188.8.131.52.
Probably, some changes have been made in the SymEvent driver since it was fixed
that causes that the driver is vulnerable again.
The version of symevent.sys on the testing system is 184.108.40.206.
Matousec - Transparent security Research