Fedora 23 End of Life Date
Fedora 23 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
Fedora 23 was released on November 3, 2015 and support ended on December 20, 2016 — a supported lifespan of 1 year and 2 months, in line with the 1 year and 1 month median for Fedora releases. The last patch it will ever receive is 23, published November 3, 2015 — 1 year and 2 months before support ended. It has been without security patches for 9 years and 8 months. 19 newer Fedora releases have shipped since.
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →| Version | Latest | EOL Date | Status |
|---|---|---|---|
| 1 (Yarrow) | 1 | Sep 20, 2004 | EOL |
| 2 (Tettnang) | 2 | Apr 11, 2005 | EOL |
| 3 (Heidelberg) | 3 | Jan 16, 2006 | EOL |
| 4 (Stentz) | 4 | Aug 7, 2006 | EOL |
| 5 (Bordeaux) | 5 | Jul 2, 2007 | EOL |
| 6 (Zod) | 6 | Dec 7, 2007 | EOL |
| 7 (Moonshine) | 7 | Jun 13, 2008 | EOL |
| 8 (Werewolf) | 8 | Jan 7, 2009 | EOL |
What does Fedora 23 end of life mean?
When Fedora 23 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Fedora 23 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Fedora 44 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.