: A use-after-free vulnerability exists in the imagescale function due to uninitialized heap data.
Version 5.6.40 was designed to be the most stable version of PHP 5, but its age now makes it a prime target for automated scanning tools. PHP 5.6.40 Release Announcement php version 5640 vulnerabilities verified
Modern PHP packages no longer support this version, creating dependency security gaps. Mitigation Recommendations : A use-after-free vulnerability exists in the imagescale
PHP 5.6.40 was built with the OpenSSL versions available at the time. It lacks native support for modern cryptographic standards required for compliance (such as TLS 1.3 in some contexts and modern ciphersuites). php version 5640 vulnerabilities verified