PHP — популярный язык сценариев общего назначения, особенно подходящий для веб-разработки.

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

Уязвимость функции php_cli_server_startup_workers (sapi/cli/php_cli_server.c) интерпретатора языка программирования PHP, позволяющая нарушителю вызвать отказ в обслуживании

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.

ELSA-2022-5468: php:8.0 security update (IMPORTANT)

ELSA-2022-5467: php:7.4 security update (IMPORTANT)

Important: php:8.0 security update

Important: php:7.4 security update

Уязвимость реализации функции finfo_buffer() интерпретатора языка программирования PHP, позволяющая нарушителю выполнить произвольный код

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when using Postgres database extension, supplying invalid parameters to the parametrized query may lead to PHP attempting to free memory using uninitialized data as pointers. This could lead to RCE vulnerability or denial of service.

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.