Samba 4.15 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Samba 4.15 reached end of life on 8 Mar 2023. It no longer receives security fixes.
Support timeline
Official dates from the Samba release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 20 Sept 2021 | 5y ago |
| Active Support ended | 13 Sept 2022 | security fixes only after this |
| Security Support ended | 8 Mar 2023 | 3y 7mo ago |
| Latest release | 4.15.13 · 15 Dec 2022 | final |
Where to go from 4.15
Recommended target: Samba 4.25 (supported until 31 Mar 2028).
The newest actively supported branch is Samba 4.25 (latest release 4.25.0).
Frequently asked questions
Is Samba 4.15 still safe to use?
Samba 4.15 reached end of life on 8 Mar 2023, 1,307 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Samba 4.15?
Yes — the final release (4.15.13) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Samba 4.15 to?
Upgrade to Samba 4.25, the newest actively supported branch (supported until 31 Mar 2028).