A DoS vulnerability exists in the PCNTL extension, which allows an attacker to cause a segmentation fault, leading to a crash of the PHP process.
The public nature of these flaws makes the system an easy target for automated attacks. php version 5640 vulnerabilities verified
PHP 5.6.40 is unsafe for production environments handling user data or financial transactions. Upgrade is mandatory. A DoS vulnerability exists in the PCNTL extension,