The following FASTBUGS have been uploaded to

http://ftp.scientificlinux.org/linux/scientific/6x/i386/updates/fastbugs/
http://ftp.scientificlinux.org/linux/scientific/6x/x86_64/updates/fastbugs/

i386:
krb5-devel-1.10.3-10.el6_4.6.i686.rpm
krb5-libs-1.10.3-10.el6_4.6.i686.rpm
krb5-pkinit-openssl-1.10.3-10.el6_4.6.i686.rpm
krb5-server-1.10.3-10.el6_4.6.i686.rpm
krb5-server-ldap-1.10.3-10.el6_4.6.i686.rpm
krb5-workstation-1.10.3-10.el6_4.6.i686.rpm
libsmbclient-3.6.9-151.el6_4.1.i686.rpm
libsmbclient-devel-3.6.9-151.el6_4.1.i686.rpm
microcode_ctl-1.17-15.el6_4.i686.rpm
rsyslog-5.8.10-7.el6_4.i686.rpm
rsyslog-gnutls-5.8.10-7.el6_4.i686.rpm
rsyslog-gssapi-5.8.10-7.el6_4.i686.rpm
rsyslog-mysql-5.8.10-7.el6_4.i686.rpm
rsyslog-pgsql-5.8.10-7.el6_4.i686.rpm
rsyslog-relp-5.8.10-7.el6_4.i686.rpm
rsyslog-snmp-5.8.10-7.el6_4.i686.rpm
samba-3.6.9-151.el6_4.1.i686.rpm
samba-client-3.6.9-151.el6_4.1.i686.rpm
samba-common-3.6.9-151.el6_4.1.i686.rpm
samba-doc-3.6.9-151.el6_4.1.i686.rpm
samba-domainjoin-gui-3.6.9-151.el6_4.1.i686.rpm
samba-swat-3.6.9-151.el6_4.1.i686.rpm
samba-winbind-3.6.9-151.el6_4.1.i686.rpm
samba-winbind-clients-3.6.9-151.el6_4.1.i686.rpm
samba-winbind-devel-3.6.9-151.el6_4.1.i686.rpm
samba-winbind-krb5-locator-3.6.9-151.el6_4.1.i686.rpm

x86_64:
krb5-devel-1.10.3-10.el6_4.6.i686.rpm
krb5-devel-1.10.3-10.el6_4.6.x86_64.rpm
krb5-libs-1.10.3-10.el6_4.6.i686.rpm
krb5-libs-1.10.3-10.el6_4.6.x86_64.rpm
krb5-pkinit-openssl-1.10.3-10.el6_4.6.x86_64.rpm
krb5-server-1.10.3-10.el6_4.6.x86_64.rpm
krb5-server-ldap-1.10.3-10.el6_4.6.i686.rpm
krb5-server-ldap-1.10.3-10.el6_4.6.x86_64.rpm
krb5-workstation-1.10.3-10.el6_4.6.x86_64.rpm
libsmbclient-3.6.9-151.el6_4.1.i686.rpm
libsmbclient-3.6.9-151.el6_4.1.x86_64.rpm
libsmbclient-devel-3.6.9-151.el6_4.1.i686.rpm
libsmbclient-devel-3.6.9-151.el6_4.1.x86_64.rpm
microcode_ctl-1.17-15.el6_4.x86_64.rpm
rsyslog-5.8.10-7.el6_4.x86_64.rpm
rsyslog-gnutls-5.8.10-7.el6_4.x86_64.rpm
rsyslog-gssapi-5.8.10-7.el6_4.x86_64.rpm
rsyslog-mysql-5.8.10-7.el6_4.x86_64.rpm
rsyslog-pgsql-5.8.10-7.el6_4.x86_64.rpm
rsyslog-relp-5.8.10-7.el6_4.x86_64.rpm
rsyslog-snmp-5.8.10-7.el6_4.x86_64.rpm
samba-3.6.9-151.el6_4.1.x86_64.rpm
samba-client-3.6.9-151.el6_4.1.x86_64.rpm
samba-common-3.6.9-151.el6_4.1.i686.rpm
samba-common-3.6.9-151.el6_4.1.x86_64.rpm
samba-doc-3.6.9-151.el6_4.1.x86_64.rpm
samba-domainjoin-gui-3.6.9-151.el6_4.1.x86_64.rpm
samba-swat-3.6.9-151.el6_4.1.x86_64.rpm
samba-winbind-3.6.9-151.el6_4.1.x86_64.rpm
samba-winbind-clients-3.6.9-151.el6_4.1.i686.rpm
samba-winbind-clients-3.6.9-151.el6_4.1.x86_64.rpm
samba-winbind-devel-3.6.9-151.el6_4.1.i686.rpm
samba-winbind-devel-3.6.9-151.el6_4.1.x86_64.rpm
samba-winbind-krb5-locator-3.6.9-151.el6_4.1.x86_64.rpm