End of life
Red Hat Linux Red Hat Enterprise Linux · 4
All published support, including security fixes, has ended. The published end-of-support date was 2012-02-29 — 5266 days ago.
Scope: software releaseAs of 2026-08-01
Lifecycle timeline
- 2005-02-15 — Release date · General availability
- 2009-03-31 — End of active support · End of maintenance
- 2012-02-29 — End of support · End of standard support
- 2017-03-31 — Extended support end · End of extended support
Why this status?
“Extended support end” (end-of-extended-support, 2017-03-31, confirmed) has also passed — extended support is over.
Red Hat Enterprise Linux releases still inside the support window
- 10 (Upcoming ELS) — support ends 2035-05-31
- 9 (Upcoming ELS) — support ends 2032-05-31
- 8 (Upcoming ELS) — support ends 2029-05-31
Reported as still supported by the cited source. Linux documents the upgrade path for your edition and contract — confirm there before planning change work.
Evidence
- Red Hat Enterprise Linux life cycle Official · checked 2026-08-01
- endoflife.date product data independent-open · checked 2026-08-01
Keep going
- All Linux Red Hat Enterprise Linux lifecycle dates· 7 tracked releases
- Linux Red Hat Enterprise Linux security advisories· 1223 tracked
- Free CVE email alerts for Linux
Status derived deterministically from the published milestones. When a vendor does not publish a date, this page says so — it never guesses.