SUSE-SU-2020:1570-1 Security update for ruby2.1

This update for ruby2.1 fixes the following issues: Security issues fixed: - CVE-2015-9096: Fixed an SMTP command injection via CRLFsequences in a RCPT TO or MAIL FROM command bsc1043983. - CVE-2016-7798: Fixed an IV Reuse in GCM Mode bsc1055265. - CVE-2017-0898: Fixed a buffer underrun...