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:

6x/i386/tzdata-2019b-2.el6.noarch.rpm

6x/i386/tzdata-java-2019b-2.el6.noarch.rpm

x86_64:

6x/x86_64/tzdata-2019b-2.el6.noarch.rpm

6x/x86_64/tzdata-java-2019b-2.el6.noarch.rpm