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Vulnerability in PHP 8.1.7
PHP released a security update to address a vulnerability in PHP 8.1.7. In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third-party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.
For a complete description of the vulnerabilities and affected systems: