Symfony End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Symfony versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 2.3 LTS | 2.3.42 | Jun 3, 2013 | May 1, 2017 | 3340 days past EOL | EOL |
| 2.7 LTS | 2.7.52 | May 30, 2015 | May 1, 2019 | 2610 days past EOL | EOL |
| 2.8 LTS | 2.8.52 | Nov 30, 2015 | Nov 1, 2019 | 2426 days past EOL | EOL |
| 3.0 | 3.0.9 | Nov 30, 2015 | Jan 1, 2017 | 3460 days past EOL | EOL |
| 3.1 | 3.1.10 | May 30, 2016 | Jul 1, 2017 | 3279 days past EOL | EOL |
| 3.2 | 3.2.14 | Nov 30, 2016 | Jan 1, 2018 | 3095 days past EOL | EOL |
| 3.3 | 3.3.18 | May 29, 2017 | Jul 1, 2018 | 2914 days past EOL | EOL |
| 3.4 LTS | 3.4.49 | Nov 30, 2017 | Nov 1, 2021 | 1695 days past EOL | EOL |
| 4.0 | 4.0.15 | Nov 30, 2017 | Jan 1, 2019 | 2730 days past EOL | EOL |
| 4.1 | 4.1.13 | May 30, 2018 | Jul 1, 2019 | 2549 days past EOL | EOL |
| 4.2 | 4.2.12 | Nov 30, 2018 | Jan 1, 2020 | 2365 days past EOL | EOL |
| 4.3 | 4.3.11 | May 30, 2019 | Jul 1, 2020 | 2183 days past EOL | EOL |
| 4.4 LTS | 4.4.51 | Nov 21, 2019 | Nov 21, 2023 | 945 days past EOL | EOL |
| 5.0 | 5.0.11 | Nov 21, 2019 | Jul 21, 2020 | 2163 days past EOL | EOL |
| 5.1 | 5.1.11 | May 31, 2020 | Jan 21, 2021 | 1979 days past EOL | EOL |
| 5.2 | 5.2.14 | Nov 30, 2020 | Jul 21, 2021 | 1798 days past EOL | EOL |
| 5.3 | 5.3.16 | May 31, 2021 | Jan 1, 2022 | 1634 days past EOL | EOL |
| 5.4 LTS | 5.4.53 | Nov 29, 2021 | Feb 28, 2029 | 981 days remaining | Active |
| 6.0 | 6.0.20 | Nov 29, 2021 | Jan 31, 2023 | 1239 days past EOL | EOL |
| 6.1 | 6.1.12 | May 27, 2022 | Jan 31, 2023 | 1239 days past EOL | EOL |
| 6.2 | 6.2.14 | Nov 30, 2022 | Jul 31, 2023 | 1058 days past EOL | EOL |
| 6.3 | 6.3.12 | May 30, 2023 | Jan 31, 2024 | 874 days past EOL | EOL |
| 6.4 LTS | 6.4.41 | Nov 29, 2023 | Nov 30, 2027 | 525 days remaining | Active |
| 7.0 | 7.0.10 | Nov 29, 2023 | Jul 31, 2024 | 692 days past EOL | EOL |
| 7.1 | 7.1.11 | May 31, 2024 | Jan 31, 2025 | 508 days past EOL | EOL |
| 7.2 | 7.2.9 | Nov 29, 2024 | Jul 31, 2025 | 327 days past EOL | EOL |
| 7.3 | 7.3.11 | May 29, 2025 | Jan 31, 2026 | 143 days past EOL | EOL |
| 7.4 LTS | 7.4.13 | Nov 27, 2025 | Nov 30, 2029 | 1256 days remaining | Active |
| 8.0 | 8.0.13 | Nov 27, 2025 | Jul 31, 2026 | 38 days remaining | Warning |
| 8.1 | 8.1.0 | May 29, 2026 | Jan 31, 2027 | 222 days remaining | Active |
What does Symfony end of life mean for your organization?
When a version of Symfony reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Symfony should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Symfony versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
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