Apache Lucene 9 · Version Status
Apache Lucene 9 End of Life Date
Apache Lucene 9 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Apache Lucene 9 is actively supported. EOL date: Already EOL.
EOL Date
Already EOL
Supported
Latest Release
9.12.3
Standard release
Release Date
Dec 7, 2021
Apache Lucene 9 series
All Apache Lucene Versions
| Version | Latest | EOL Date | Status |
| 7 |
7.7.3 |
Supported |
Active |
| 8 |
8.11.4 |
Oct 14, 2024 |
EOL |
| → 9 |
9.12.3 |
EOL |
Active |
| 10 |
10.4.0 |
EOL |
Active |
What does Apache Lucene 9 end of life mean?
When Apache Lucene 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 Apache Lucene 9 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Apache Lucene 10 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Apache Lucene 9 reach end of life?
Apache Lucene 9 has already reached end of life.
Is Apache Lucene 9 still supported?
Yes, Apache Lucene 9 is currently supported. The EOL date is Already EOL.
What should I upgrade to from Apache Lucene 9?
The recommended upgrade from Apache Lucene 9 is
Apache Lucene 10 — the latest actively supported version. Check the
Apache Lucene full timeline for all supported versions.
What are the security risks of running Apache Lucene 9 past EOL?
When Apache Lucene 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 Apache Lucene should migrate immediately or implement compensating controls.