RHEL 4
RHEL 4 was released on Feb 15, 2005 and reached end of life on Feb 29, 2012. It no longer receives security updates.
RHEL 4 support timeline
Feb 15, 2005Ended
100% elapsedEnd of life
Feb 29, 2012
RHEL 4 release and support dates
| Milestone | Date | Meaning |
|---|---|---|
| Released | ||
| Latest point release (4.9) | ||
| Active support ends | Regular bug-fix and maintenance updates. | |
| End of life | Security updates stop. endoflife.date’s listed end of support. | |
| Extended support ends | Often paid or provided by a third party. |
Source: endoflife.date, fetched Oct 6, 2026. Status as of Oct 7, 2026. Support scope varies by project; confirm on the official site.
What to do now that RHEL 4 is end of life
Running an end-of-life release means new vulnerabilities in the kernel, browser libraries, and system packages stay unpatched. The next supported step is RHEL 8, supported until May 31, 2029.
Minor releases arrive through sudo dnf upgrade. Major version upgrades use Red Hat’s Leapp in-place upgrade tooling.
Other RHEL versions
RHEL 4: common questions
When does RHEL 4 reach end of life?
RHEL 4 reached end of life on Feb 29, 2012, according to endoflife.date. Extended support ran until Mar 31, 2017.
Is RHEL 4 still supported?
No. RHEL 4 has reached end of life and no longer receives security updates. Upgrade to RHEL 8 to stay supported.
When was RHEL 4 released?
RHEL 4 was released on Feb 15, 2005.
What is the latest RHEL 4 point release?
The latest point release is 4.9, published Feb 16, 2011.
Is RHEL 4 an LTS release?
No. RHEL 4 is not a long-term support release, so its support window is shorter than the LTS releases.
What should I upgrade RHEL 4 to?
RHEL 8 is the next release that is still supported (until May 31, 2029). The newest release is RHEL 10.