Ruby on Rails is an open-source web application development framework. The framework is widely used across the Internet on websites including Hulu, GroupOn and Scribd. It’s the second time this month that the framework has been updated due to critical flaws. Four updated versions of the framework were released on Tuesday: 3.2.11, 3.1.10.19, and 2.3.15. “These releases contain two extremely critical security fixes so please update immediately,” it advised.”]
Source: https://www.csoonline.com/article/2132786/ruby-on-rails-patches-more-critical-vulnerabilities.html