How To: Update Ruby On Rails (to Fix a Security Vulnerability)

Ruby on Rails has of this writing released patches for a critical security vulnerability affecting nearly all versions of Rails. It is critical that your Rails applications be updated to one of the following versions:

  • 3.2.11
  • 3.1.10
  • 3.0.10
  • 2.3.15

If you have a cPanel server, make sure you have cPanel’s daily updates running. cPanel versions 11.35.0.4, 11.34.1.7, 11.32.5.18, and 11.30.7.6 include the updated versions of Rails. If you are running Rails on a core-managed server, you will need to update Rails yourself. Here’s how.
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