Is PHP 5.1.6 patched?
Summary iPlain-English security status for PHP 5.1.6, built from its CVEs, active-exploitation data, end-of-life date and latest release.
PHP 5.1.6 is part of the 5.1 release line. No known vulnerabilities affect it in our data. The 5.1 line reached end-of-life on 2006-08-24, so it no longer receives security patches. The latest supported PHP release is 8.5.7.
Known issues affecting 5.1.6
None found for this version. ✓
Other PHP versions
Check another release line of PHP.
Frequently asked
Is PHP 5.1.6 patched?
PHP 5.1.6 is end-of-life and no longer receives security patches. Move to 8.5.7.
When does PHP 5.1 reach end-of-life?
PHP 5.1 reached end-of-life on 2006-08-24 and no longer receives security patches.
What is the latest version of PHP?
The latest supported PHP release is 8.5.7.
Is PHP 5.1.6 still receiving security updates?
No — PHP 5.1.6 is on the 5.1 line, which reached end-of-life on 2006-08-24 and no longer receives security updates. Upgrade to 8.5.7 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 PHP's official advisory before you patch or upgrade — PHP official site ↗