Ruby on Rails 4.2 End of Life
Support dates, vulnerabilities published since end of life, and upgrade guidance — rebuilt from live data.
Ruby on Rails 4.2 is past end of life. The vendor has not published a dated end-of-support announcement for this branch; newer branches have documented dates that are already past.
This product uses data from the NVD API but is not endorsed or certified by the NVD.
Support timeline
Official dates, read directly from rubyonrails.org, guides.rubyonrails.org and rubygems.org.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 20 Dec 2014 | — |
| End of life | — | years ago |
| Latest release | 4.2.11.3 · 15 May 2020 | final |
Where to go from 4.2
Recommended target: Ruby on Rails 8.1 (supported until 10 Oct 2027).
The newest actively supported branch is Ruby on Rails 8.1 (latest release 8.1.3.1).
Frequently asked questions
Is Ruby on Rails 4.2 still safe to use?
No. Ruby on Rails 4.2 stopped receiving security fixes on —. Since then, 0 Ruby on Rails vulnerabilities have been published and fixed in supported branches — Ruby on Rails 4.2 received none of those fixes.
Can I still download Ruby on Rails 4.2?
Yes — the final release (4.2.11.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Ruby on Rails 4.2 to?
Upgrade to Ruby on Rails 8.1, the newest actively supported branch (supported until 10 Oct 2027).