I see you're looking for information on PHP version 5.6.40 vulnerabilities. Here's what I found:
The Risks of Using Outdated PHP: Understanding Version 5.6.40 Vulnerabilities and the Importance of Upgrading php version 5640 vulnerabilities link
For a complete, real-time list of all Common Vulnerabilities and Exposures (CVEs) associated with this version, refer to these primary tracking links: I see you're looking for information on PHP version 5
🔗 https://www.cvedetails.com/version/266766/PHP-PHP-5.6.40.html
This page is the best single reference for all CVEs that affect 5.6.40. Remote Code Execution (RCE) : Vulnerabilities that allow
# Using Trivy (open source)
trivy filesystem --scanners vuln /path/to/php-app --severity CRITICAL,HIGH