Security update for ruby2.1 (important)

This ruby2.1 update to version 2.1.9 fixes the following issues:

Security issues fixed:

• CVE-2016-2339: heap overflow vulnerability in the
  Fiddle::Function.new"initialize" (bsc#1018808)
• CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL (bsc#959495)
• CVE-2015-3900: hostname validation does not work when fetching gems or
  making API requests (bsc#936032)
• CVE-2015-1855: Ruby’a OpenSSL extension suffers a vulnerability through
  overly permissive matching of hostnames (bsc#926974)
• CVE-2014-4975: off-by-one stack-based buffer overflow in the encodes()
  function (bsc#887877)

Bugfixes:

• SUSEconnect doesn’t handle domain wildcards in no_proxy environment
  variable properly (bsc#1014863)
• Segmentation fault after pack & ioctl & unpack (bsc#909695)
• Ruby:HTTP Header injection in ‘net/http’ (bsc#986630)

ChangeLog:

• <a href=“http://svn.ruby-lang.org/repos/ruby/tags/v2_1_9/ChangeLog”>http://svn.ruby-lang.org/repos/ruby/tags/v2_1_9/ChangeLog</a>