========================================================================== Ubuntu Security Notice USN-5303-1 February 28, 2022
php7.4, php8.0 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.10 - Ubuntu 20.04 LTS Summary: PHP could be made to crash or run programs if it received specially crafted input. Software Description: - php8.0: HTML-embedded scripting language interpreter - php7.4: HTML-embedded scripting language interpreter Details: It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: php8.0-cgi 8.0.8-1ubuntu0.2 php8.0-cli 8.0.8-1ubuntu0.2 php8.0-fpm 8.0.8-1ubuntu0.2 Ubuntu 20.04 LTS: php7.4-cgi 7.4.3-4ubuntu2.9 php7.4-cli 7.4.3-4ubuntu2.9 php7.4-fpm 7.4.3-4ubuntu2.9 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5303-1 CVE-2021-21708 Package Information: https://launchpad.net/ubuntu/+source/php8.0/8.0.8-1ubuntu0.2 https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.9
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