samba -- multiple vulnerabilities

The Samba Team reports:

Secunia Research reported a vulnerability that allows for
the execution of arbitrary code in nmbd. This defect may
only be exploited when the “wins support” parameter has
been enabled in smb.conf.

Samba developers have discovered what is believed to be
a non-exploitable buffer over in nmbd during the processing
of GETDC logon server requests. This code is only used
when the Samba server is configured as a Primary or Backup
Domain Controller.