NetBSD 1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
NetBSD 1 reached end of life on 17 May 2006. It no longer receives security fixes.
7,389 days without security patches
Recommended action: upgrade to NetBSD 11. Check your versionuname -r
Support timeline
Official dates from the NetBSD release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 Oct 1994 | — |
| End of life | 17 May 2006 | 20.2 years ago |
| Active support ended | 9 Dec 2004 | security fixes only after this |
| Latest release | 1.6.2 · 1 Mar 2004 | final |
Where to go from 1
Recommended target: NetBSD 11.
The newest actively supported branch is NetBSD 11 (latest release 11.0).
Frequently asked questions
Is NetBSD 1 still safe to use?
NetBSD 1 reached end of life on 17 May 2006, 7,389 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download NetBSD 1?
Yes — the final release (1.6.2) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade NetBSD 1 to?
Upgrade to NetBSD 11, the newest actively supported branch.