Oracle Solaris 9 · Version Status
Oracle Solaris 9 End of Life Date
Oracle Solaris 9 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Oracle Solaris 9 is past end of life. This version no longer receives security patches. 5334 days past EOL — migrate to a supported version immediately.
EOL Date
Oct 1, 2011
5334 days past EOL
Latest Release
—
Standard release
Release Date
May 28, 2002
Oracle Solaris 9 series
All Oracle Solaris Versions
| Version | Latest | EOL Date | Status |
|---|
| 8 |
— |
Mar 1, 2009 |
EOL |
| → 9 |
— |
Oct 1, 2011 |
EOL |
| 10 |
— |
Jan 1, 2018 |
EOL |
| 11 |
— |
Supported |
Active |
| 11.1 |
— |
Supported |
Active |
| 11.2 |
— |
Supported |
Active |
| 11.3 |
— |
Jan 1, 2021 |
EOL |
| 11.4 |
— |
Nov 1, 2031 |
Active |
What does Oracle Solaris 9 end of life mean?
When Oracle Solaris 9 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Oracle Solaris 9 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Oracle Solaris 11.4 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Oracle Solaris 9 reach end of life?
Oracle Solaris 9 reached end of life on October 1, 2011. This version is no longer receiving security patches.
Is Oracle Solaris 9 still supported?
No. Oracle Solaris 9 reached end of life on October 1, 2011 and is no longer receiving security patches.
What should I upgrade to from Oracle Solaris 9?
The recommended upgrade from Oracle Solaris 9 is
Oracle Solaris 11.4 — the latest actively supported version. Check the
Oracle Solaris full timeline for all supported versions.
What are the security risks of running Oracle Solaris 9 past EOL?
When Oracle Solaris 9 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Oracle Solaris should migrate immediately or implement compensating controls.