Php Version 5640 Vulnerabilities Link [exclusive] ◎

PHP 5.6.40 was the last community release of a dead branch. Any version before it is exposed to at least seven critical exploits, and 5.6.40 itself is still vulnerable to every bug discovered after January 2019. The window for safe continued operation has closed.

Released on January 10, 2019, as a final "security-only" release, PHP 5.6.40 fixed a specific batch of critical bugs. However, any vulnerabilities discovered in the core engine after that date remain completely unpatched by the official PHP development team. php version 5640 vulnerabilities link