Symfony 5.x — End of Life
ActiveSymfony 5.x is partially supported: only 5.4 still receives security fixes until Feb 28, 2029, in 859 days. The most recent release in this series is 5.4.54. No CVE is currently tracked for Symfony 5.x. The next major version is Symfony 6. See Symfony 6 →
Symfony 5.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 5.4LTS | Nov 29, 2021 | Nov 30, 2024 | Feb 28, 2029 | 5.4.54 | Active | |
| 5.3 | May 31, 2021 | Jan 1, 2022 | Jan 1, 2022 | 5.3.16 | EOL | |
| 5.2 | Nov 30, 2020 | Jul 21, 2021 | Jul 21, 2021 | 5.2.14 | EOL | |
| 5.1 | May 31, 2020 | Jan 21, 2021 | Jan 21, 2021 | 5.1.11 | EOL | |
| 5.0 | Nov 21, 2019 | Jul 21, 2020 | Jul 21, 2020 | 5.0.11 | EOL |
CVEs affecting Symfony 5.x (0)
Symfony 5.x will reach end of life — migrate to Symfony 6.x
Symfony 6.x is the next major release. Plan your upgrade before Symfony 5.x stops receiving security patches.
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[](https://eolcanary.com/explore/symfony/5)Frequently asked questions
Is Symfony 5 end of life?
Partially. 4 of the 5 Symfony 5.x releases have reached end of life. Still supported: 5.4 (until February 28, 2029 at the latest).
What CVEs affect Symfony 5?
No CVEs are currently tracked for Symfony 5.x in the NVD data we monitor.
What is the latest Symfony 5 version?
The latest Symfony 5.x patch release is 5.4.54, released on October 15, 2026. Always run the latest patch to benefit from all security fixes.
How to migrate from Symfony 5 to Symfony 6?
To migrate from Symfony 5 to Symfony 6: (1) review the official Symfony 6 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.
Is it safe to run Symfony 5 in production?
Only on a supported release (5.4). Support for Symfony 5.4 ends on February 28, 2029. Make sure you run the latest patch (5.4.54) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA