In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsUpgrade RHEL:8 php:7.4/php-pecl-xdebug to version 0:2.9.5-1.module+el8.3.0+6678+b09f589e or higher.
This issue was patched in RHSA-2021:4213.
Note: Versions mentioned in the description apply only to the upstream php:7.4/php-pecl-xdebug package and not the php:7.4/php-pecl-xdebug package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.