BIT-LIBPHP-2022-4900 Potential buffer overflow in php_cli_server_startup_workers

A vulnerability was found in PHP where setting the environment variable PHPCLISERVERWORKERS to a large value leads to a heap buffer overflow...

The vulnerability of the php_cli_server_startup_workers function (sapi/cli/php_cli_server.c) in the PHP programming language allows a attacker to trigger a service failure.

The vulnerability of the phpcliserverstartupworkers function sapi/cli/phpcliserver.c in the PHP interpreter is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to trigger a service failure...