GHSA-R7CG-QJJM-XHQQ webonyx/graphql-php has unbounded recursion in parser that causes stack overflow on crafted nested input

Summary GraphQL\Language\Parser is a recursive descent parser with no recursion depth limit and no zend.maxallowedstacksize interaction. Crafted nested queries trigger a SIGSEGV in the PHP runtime, killing the FPM/CLI worker process. Smallest crashing payload is approximately 74 KB. Affected...