Oracle Jdk 21 · Version Status
Oracle Jdk 21 End of Life Date
Oracle Jdk 21 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
✓
Oracle Jdk 21 is actively supported. EOL date: September 30, 2028.
EOL Date
Sep 30, 2028
875 days remaining
Latest Release
21.0.11
LTS release
Release Date
Sep 19, 2023
Oracle Jdk 21 series
| Version | Latest | EOL Date | Status |
|---|
| 1.0 |
1.0.2 |
May 7, 1996 |
EOL |
| 1.1 |
1.1.8_010 |
Oct 9, 2002 |
EOL |
| 1.2 |
1.2.2_18 |
Nov 30, 2003 |
EOL |
| 1.3 |
1.3.1_32 |
Mar 31, 2006 |
EOL |
| 1.4 |
1.4.2_42 |
Oct 30, 2008 |
EOL |
| 5 |
5.0u85 |
Oct 30, 2009 |
EOL |
| 6 |
6u211 |
Dec 31, 2018 |
EOL |
| 7 LTS |
7u351 |
Jul 31, 2019 |
EOL |
What does Oracle Jdk 21 end of life mean?
When Oracle Jdk 21 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 Jdk 21 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Oracle Jdk 25 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Oracle Jdk 21 reach end of life?
Oracle Jdk 21 reached end of life on September 30, 2028. That is 875 days remaining.
Is Oracle Jdk 21 still supported?
Yes, Oracle Jdk 21 is currently supported. The EOL date is September 30, 2028.
What should I upgrade to from Oracle Jdk 21?
The recommended upgrade from Oracle Jdk 21 is
Oracle Jdk 25 — the latest actively supported version. Check the
Oracle Jdk full timeline for all supported versions.
What are the security risks of running Oracle Jdk 21 past EOL?
When Oracle Jdk 21 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 Jdk should migrate immediately or implement compensating controls.