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 reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
⚠
Oracle Solaris 9 is past end of life. This version no longer receives security patches. EOL since October 2011 — migrate to a supported version immediately.
EOL Date
Oct 2011
EOL since October 2011
Latest Release
—
Standard release
Release Date
May 28, 2002
Oracle Solaris 9 series
Extended Support
Oct 2014
Oracle Extended Support · paid · ended
Where these dates come from
End of lifeOct 2011Vendor's own page (our correction) · oracle.com · checked Oct 17, 2026medium · 1 source agrees End of extended supportOct 2014Vendor's own page (our correction) · oracle.com · checked Oct 17, 2026medium · 1 source agrees ReleaseMay 28, 2002endoflife.date (open dataset) · endoflife.datemedium · 1 source agrees Confidence: high = two or more independent sources agree (the vendor's page read by our adapter, a person's check against the vendor, the dataset the date came from); medium = one; low = the vendor page disagrees or our last read is stale.
How we source dates.
Lifecycle detail
Oracle Solaris 9 was released on May 28, 2002 and support ended in October 2011 — a supported lifespan of 9 years and 5 months, in line with the 9 years and 5 months median for Oracle Solaris releases. It has been past its end-of-life date for 15 years. 5 newer Oracle Solaris releases have shipped since.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
20/20 Named in CISA KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Oracle Solaris 9 support options
Some vendors and third parties sell security patches beyond end of life; whether one covers this version varies. Compare your options.
Compare Options →
All Oracle Solaris Versions
| Version | Latest | EOL Date | Status |
|---|
| 8 |
— |
Mar 2009 |
EOL |
| → 9 |
— |
Oct 2011 |
EOL |
| 10 |
— |
Jan 2018 |
EOL |
| 11 |
— |
Supported |
EOL |
| 11.1 |
— |
Supported |
EOL |
| 11.2 |
— |
Supported |
EOL |
| 11.3 |
— |
Jan 2021 |
EOL |
| 11.4 |
— |
Nov 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: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Oracle Solaris 9 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
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 in October 2011. This version is no longer receiving security patches.
Is Oracle Solaris 9 still supported?
No. Oracle Solaris 9 reached end of life in October 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?
Since Oracle Solaris 9 reached end of life, the maintainers no longer issue security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Oracle Solaris should migrate immediately or implement compensating controls.