Fedora 18 (Spherical Cow) End of Life Date
Fedora 18 (Spherical Cow) end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
Fedora 18 was released on January 15, 2013 and support ended on January 14, 2014 — a supported lifespan of 1 year, in line with the 1 year and 1 month median for Fedora releases. The last patch it will ever receive is 18, published January 15, 2013 — 1 year before support ended. It has been without security patches for 12 years and 7 months. 24 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 18 (Spherical Cow) end of life mean?
When Fedora 18 (Spherical Cow) 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 18 (Spherical Cow) 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.