Oracle Solaris 11.3 · Version Status
Oracle Solaris 11.3 End of Life Date
Oracle Solaris 11.3 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
⚠
Oracle Solaris 11.3 is past end of life. Standard support ended January 1, 2021. Patches continue until January 1, 2027 only under Oracle Extended Support, a paid programme — if you are not covered by it, this version is unpatched today.
EOL Date
Jan 1, 2021
2055 days past EOL
Latest Release
—
Standard release
Release Date
Oct 26, 2015
Oracle Solaris 11.3 series
Extended Support
Jan 1, 2027
Oracle Extended Support · paid
Lifecycle detail
Oracle Solaris 11.3 was released on October 26, 2015 and support ended on January 1, 2021 — a supported lifespan of 5 years and 2 months, shorter than the 9 years and 4 months median for Oracle Solaris releases. It has been without security patches for 5 years and 8 months.
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 11.3 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
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 |
EOL |
| 11.1 |
— |
Supported |
EOL |
| 11.2 |
— |
Supported |
EOL |
| → 11.3 |
— |
Jan 1, 2021 |
EOL |
| 11.4 |
— |
Nov 1, 2031 |
Active |
What does Oracle Solaris 11.3 end of life mean?
When Oracle Solaris 11.3 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 11.3 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 11.3 reach end of life?
Oracle Solaris 11.3 reached end of life on January 1, 2021. This version is no longer receiving security patches.
Is Oracle Solaris 11.3 still supported?
No. Oracle Solaris 11.3 reached end of life on January 1, 2021 and is no longer receiving security patches.
What should I upgrade to from Oracle Solaris 11.3?
The recommended upgrade from Oracle Solaris 11.3 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 11.3 past EOL?
When Oracle Solaris 11.3 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.