This update for samba fixes the following issue:

- An unprivileged user with access to the samba server could cause smbd to load
a specially crafted shared library, which then had the ability to execute
arbitrary code on the server as 'root'. [CVE-2017-7494, bso#12780, bsc#1038231]

This update was imported from the SUSE:SLE-12-SP2:Update update project.