Version 5640 Vulnerabilities Verified ((new)) - Php

According to industry vulnerability databases and security audits, PHP 5.6.40 is affected by multiple severe flaws. While the core language engine itself had patches applied, the extensions and bundled libraries it relies on contain several documented vulnerabilities. 1. Integer Underflow and Buffer Overflows (GD Library)

To protect your PHP applications from the verified vulnerabilities in PHP version 5.6.40, follow these best practices: php version 5640 vulnerabilities verified

attacks. If an application passes untrusted user input into the unserialize() Integer Underflow and Buffer Overflows (GD Library) To

PHP version 5.6.40, released in January 2019, served as the final security release for the PHP 5.6 branch For administrators waiting for a "perfect time" to

PHP Version 5.6.40: Verified Vulnerabilities and Security Risks

Flaws that existed in PHP 5.6.39 and earlier which were explicitly patched in the 5.6.40 release.

Your system is secure if and only if you have upgraded to a supported, modern PHP version and migrated away from the 5.6 branch entirely. For administrators waiting for a "perfect time" to upgrade, the list of verified exploits outlined above should be the definitive trigger to act now.