Data transmitted between your users and the server may be susceptible to man-in-the-middle (MitM) attacks or cryptographic downgrades. Why Automated Scanners Flag This Version
Continuing to run PHP 5.6.40 (or any 5.6 sub-version) is a significant security liability that exposes your application to known exploits. Even if you are running the patched Debian LTS versions, you are missing out on the architectural security improvements of modern PHP. php version 5640 vulnerabilities verified
The most significant risk for 5.6.40 users is that critical vulnerabilities discovered in later years—such as CVE-2024-4577 Data transmitted between your users and the server
Do you have a deployed in front of this environment? Share public link The most significant risk for 5
Security researchers and CVE (Common Vulnerabilities and Exposures) databases have verified several high-severity flaws affecting PHP 5.6.40. These vulnerabilities primarily stem from core memory corruption issues, improper input handling, and outdated bundled libraries. 1. Remote Code Execution (RCE) via Unserialize
; Disable functions frequently targeted by RCE exploits disable_functions = exec, passthru, shell_exec, system, proc_open, popen, curl_exec, curl_multi_exec, parse_ini_file, show_source ; Disable remote file inclusion allow_url_fopen = Off allow_url_include = Off ; Hide PHP version headers from attackers expose_php = Off ; Restrict file uploads if not required file_uploads = Off Use code with caution.
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