[ANN] Ruby 2.4.3, 2.3.6 and 2.2.9 Released with several security fixes

Hi, all

We've just released Ruby 2.4.3, 2.3.6 and 2.2.9.
How to download and details:

* [Ruby 2.4.3 Released](https://www.ruby-lang.org/en/news/2017/12/14/ruby-2-4-3-released/)
* [Ruby 2.3.6 Released](https://www.ruby-lang.org/en/news/2017/12/14/ruby-2-3-6-released/)
* [Ruby 2.2.9 Released](https://www.ruby-lang.org/en/news/2017/12/14/ruby-2-2-9-released/)

These releases include several security fixes.
You can check details:

* [CVE-2017-17405: Command injection vulnerability in Net::FTP](/en/news/2017/12/14/net-ftp-command-injection-cve-2017-17405/)
* [Unsafe Object Deserialization Vulnerability in RubyGems](http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html)

We strongly recommend to upgrade your ruby installations as soon as
possible.

Regards,

ยทยทยท

--
U.Nakamaura <usa@garbagecollect.jp>