Symfony 6.x — End of Life
ActiveSymfony 6.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 6.4LTS | Nov 29, 2023 | Nov 30, 2026 | Nov 30, 2027 | 6.4.42 | Active |
| 6.3 | May 30, 2023 | Jan 31, 2024 | Jan 31, 2024 | 6.3.12 | EOL |
| 6.2 | Nov 30, 2022 | Jul 31, 2023 | Jul 31, 2023 | 6.2.14 | EOL |
| 6.1 | May 27, 2022 | Jan 31, 2023 | Jan 31, 2023 | 6.1.12 | EOL |
| 6.0 | Nov 29, 2021 | Jan 31, 2023 | Jan 31, 2023 | 6.0.20 | EOL |
CVEs affecting Symfony 6.x (0)
Symfony 6.x will reach end of life — migrate to Symfony 7.x
Symfony 7.x is the next major release. Plan your upgrade before Symfony 6.x stops receiving security patches.
Frequently asked questions
Is Symfony 6 end of life?
Partially. Some Symfony 6.x releases have reached EOL. Check the version table above for the exact status of each sub-release.
What CVEs affect Symfony 6?
No CVEs are currently tracked for Symfony 6.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Symfony 6 version?
The latest Symfony 6.x patch release is 6.4.42, released on June 27, 2026. Always run the latest patch to benefit from all security fixes.
How to migrate from Symfony 6 to Symfony 7?
To migrate from Symfony 6 to Symfony 7: (1) review the official Symfony 7 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 6 in production?
Symfony 6 is still supported and safe for production use until November 30, 2027. Ensure you are running the latest patch version (6.4.42) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA