Netbsd · Lifecycle Status

Netbsd End of Life (EOL) Dates & Support Timeline

Complete end-of-life dates, support windows, and security status for all Netbsd versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.

Netbsd 4.0.1 is actively supported. No versions approaching EOL in the next 6 months.
Latest Active
4.0.1
4 series
Next EOL
None upcoming
Active Versions
3
of 10 total
EOL Versions
7
no longer patched
Release Cycle Timeline
EOL   Warning   Active   Today
Release cycle timeline 1995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202612345678910TODAY
All Versions
VersionLatest ReleaseRelease DateEOL DateDaysStatus
1 1.6.2 Oct 26, 1994 May 17, 2006 7297 days past EOL EOL
2 2.1 Dec 9, 2004 Aug 21, 2008 6470 days past EOL EOL
3 3.1 Dec 23, 2005 May 30, 2009 6188 days past EOL EOL
4 4.0.1 Dec 19, 2007 Supported indefinitely Supported Active
5 5.2.3 Apr 29, 2009 Nov 11, 2015 3832 days past EOL EOL
6 6.1.5 Oct 17, 2012 Aug 23, 2018 2816 days past EOL EOL
7 7.2 Sep 25, 2015 Jun 30, 2020 2139 days past EOL EOL
8 8.3 Jul 17, 2018 May 4, 2024 735 days past EOL EOL
9 9.4 Feb 14, 2020 Already EOL Supported Active
10 10.1 Mar 28, 2024 Already EOL Supported Active

What does Netbsd end of life mean for your organization?

When a Netbsd version reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.

The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.

Organizations running EOL Netbsd should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.

Check your full stack for EOL risk

Upload requirements.txt, package.json, or Gemfile — full EOL report instantly.

Open Stack Scanner →
Frequently Asked Questions
What is the end-of-life date for Netbsd?
See the full table above for all Netbsd version EOL dates.
What is the latest supported version of Netbsd?
The latest active version of Netbsd is 4.0.1. Always verify against the table above as support windows can change.
What happens when Netbsd reaches end of life?
When Netbsd reaches end of life, the vendor stops issuing security patches. Any CVEs disclosed after the EOL date accumulate indefinitely with no patch path — creating an ever-growing attack surface that most vulnerability scanners do not flag.
How do I check if I'm running an EOL version of Netbsd?
Check your current version against the table above. If your version's EOL date has passed, you are running unsupported software. You can also use the endoflife.ai Stack Scanner to check your entire dependency file at once.
Is there extended support available for EOL Netbsd versions?
Some vendors offer extended support for EOL software. Contact the original vendor or check with enterprise support providers for options.

Related Products

Data from endoflife.date API · endoflife.date · Generated at build time · How we source data →