Python 3.1 End of Life
Support dates, vulnerabilities published since end of life, and upgrade guidance — rebuilt from live data.
Python 3.1 reached end of life on 9 Apr 2012. It no longer receives security fixes.
Support timeline
Official dates from the Python release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 27 Jun 2009 | — |
| End of life | 9 Apr 2012 | 14.3 years ago |
| Latest release | 3.1.5 · 6 Apr 2012 | final |
The cost of staying: CVEs since end of life
114 Python vulnerabilities have been published since 9 Apr 2012. All were fixed in supported branches — 3.1 received none of them. Source: NVD.
Python CVEs published since 3.1's EOL, by year
16 of the 114 are rated critical · data refreshed 2026-08-09
Published 26 May 2016 · rated critical — fixed in supported branches only, never in 3.1. Details
Published 2 Sept 2016 · rated critical — fixed in supported branches only, never in 3.1. Details
Published 17 Nov 2017 · rated critical — fixed in supported branches only, never in 3.1. Details
Where to go from 3.1
Recommended target: Python 3.14 (supported until 31 Oct 2030).
The newest actively supported branch is Python 3.14 (latest release 3.14.7). Review docs.python.org before upgrading.
Frequently asked questions
Is Python 3.1 still safe to use?
No. Python 3.1 stopped receiving security fixes on 9 Apr 2012. Since then, 114 Python vulnerabilities have been published and fixed in supported branches — Python 3.1 received none of those fixes.
Can I still download Python 3.1?
Yes — the final release (3.1.5) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Python 3.1 to?
Upgrade to Python 3.14, the newest actively supported branch (supported until 31 Oct 2030).