The following ERRATA for SL 302/303 x86_64 are now available from:
ftp://ftp.scientificlinux.org/linux/scientific/30[2-3]/x86_64/errata/SL/RPMS/

[RHSA-2004:632-01] Updated samba packages fix security issues

  samba-3.0.7-1.3E.1.x86_64.rpm
  samba-client-3.0.7-1.3E.1.x86_64.rpm
  samba-common-3.0.7-1.3E.1.x86_64.rpm
  samba-swat-3.0.7-1.3E.1.x86_64.rpm

-Connie Sieh