Php Version 5640 Vulnerabilities Link — ((exclusive))

PHP version 5.6.40 was released on January 10, 2019 , as a final security release for the 5.6 branch. While 5.6.40 itself addressed several issues, it has since reached its official End of Life (EOL)

Here is the official migration link from PHP.net: php version 5640 vulnerabilities link

Because 5.6.40 is the final version of an unsupported branch, any vulnerabilities discovered after its release remain unpatched in official builds. Significant threats include: PHP 5.6: Why you should upgrade - Influential Software PHP version 5

Integer Underflow (CVE-2016-10166): An issue in the _gdContributionsAlloc function could lead to unspecified remote impact. Risks of Remaining on 5.6.40 Risks of Remaining on 5

When PHP 5.6.40 dropped in early 2019, it was the "last scheduled release". However, "final" doesn't mean "invulnerable." It simply means the PHP team stopped looking for bugs in that branch. Any vulnerability discovered since then—of which there have been many—remains in your environment. Critical Vulnerabilities at a Glance