ISC DHCP 4.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
ISC DHCP 4.3 reached end of life on 28 Feb 2018. It no longer receives security fixes.
3,084 days without security patches
Support timeline
Official dates from the ISC DHCP release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 4 Feb 2014 | — |
| End of life | 28 Feb 2018 | 8.4 years ago |
| Latest release | 4.3.6-P1 · 28 Feb 2018 | final |
Frequently asked questions
Is ISC DHCP 4.3 still safe to use?
ISC DHCP 4.3 reached end of life on 28 Feb 2018, 3,084 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download ISC DHCP 4.3?
Yes — the final release (4.3.6-P1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade ISC DHCP 4.3 to?
Upgrade to the newest actively supported ISC DHCP branch.