, meaning version 5.6.40 and all prior 5.6.x versions no longer receive official patches for newly discovered flaws. Critical Vulnerabilities in PHP 5.6.40
If you arrived here looking for , you now have a comprehensive set of URLs: php version 5640 vulnerabilities link
Systems running PHP 5.6.40 or earlier are susceptible to several high-impact exploits: PHP PHP 5.6.40 security vulnerabilities, CVEs , meaning version 5
Some notable CVEs that affect 5.6.40:
There is no single “master link” labeled "5640." Instead, you must look at the aggregate of Common Vulnerabilities and Exposures (CVEs) that affect version 5.6.40. php version 5640 vulnerabilities link