Php | Version 5640 Vulnerabilities Link

Exists in the gdImageColorMatch function. This can be exploited by calling the function with crafted image data, potentially leading to arbitrary code execution.

Using PHP 5.6.40 in 2026 is considered high-risk. Automated scanners frequently identify hundreds of known vulnerabilities in environments running this version. Snyk - Vulnerability report for Docker php:5.6.40-apache php version 5640 vulnerabilities link