ISC DHCP 4.2 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
ISC DHCP 4.2 reached end of life on 5 Mar 2015. It no longer receives security fixes.
4,175 days without security patches
Support timeline
Official dates from the ISC DHCP release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 15 Jul 2010 | — |
| End of life | 5 Mar 2015 | 11.4 years ago |
| Latest release | 4.2.8 · 5 Mar 2015 | final |
Frequently asked questions
Is ISC DHCP 4.2 still safe to use?
ISC DHCP 4.2 reached end of life on 5 Mar 2015, 4,175 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download ISC DHCP 4.2?
Yes — the final release (4.2.8) 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 4.2 to?
Upgrade to the newest actively supported ISC DHCP branch.