Is Symfony 4.0.15 patched?
Summary iPlain-English security status for Symfony 4.0.15, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Symfony 4.0.15 is part of the 4.0 release line. No known vulnerabilities affect it in our data. The 4.0 line reached end-of-life on 2019-01-01, so it no longer receives security patches. The latest supported Symfony release is 8.1.0.
Known issues affecting 4.0.15
None found for this version. ✓
Other Symfony versions
Check another release line of Symfony.
Frequently asked
Is Symfony 4.0.15 patched?
Symfony 4.0.15 is end-of-life and no longer receives security patches. Move to 8.1.0.
When does Symfony 4.0 reach end-of-life?
Symfony 4.0 reached end-of-life on 2019-01-01 and no longer receives security patches.
What is the latest version of Symfony?
The latest supported Symfony release is 8.1.0.
Is Symfony 4.0.15 still receiving security updates?
No — Symfony 4.0.15 is on the 4.0 line, which reached end-of-life on 2019-01-01 and no longer receives security updates. Upgrade to 8.1.0 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Symfony's official advisory before you patch or upgrade — Symfony official site ↗