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Ubuntu 22.04 LTS USN-5530-1 Critical: PHP Memory Handling Error

ubuntu
Calendar Grey July 25, 2022
Dist Ubuntu Esm H88
A security flaw in PHP for Ubuntu 22.04 LTS could lead to system crashes or potential remote code execution if specific malicious data is processed.
PHP could be made to crash or run programs if it processed specially crafted data.

Summary

PHP could be made to crash or run programs if it processed specially

crafted data.

Software Description:

- php8.1: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain memory operations

when obtaining file information. A remote attacker could use this issue to

cause PHP to crash, resulting in a denial of service, or possibly execute

arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service php ubuntu memory error

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
  libapache2-mod-php8.1           8.1.2-1ubuntu2.2
  php8.1-cgi                      8.1.2-1ubuntu2.2
  php8.1-cli                      8.1.2-1ubuntu2.2
  php8.1-fpm                      8.1.2-1ubuntu2.2
  php8.1-mysql                    8.1.2-1ubuntu2.2
  php8.1-pgsql                    8.1.2-1ubuntu2.2

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5530-1

CVE-2022-31627

Severity
critical
Lowest
Low
Medium
High
Critical

July 25, 2022

Topics%20covered

Topics Covered

security advisory denial of service php ubuntu memory error

Package Information

https://launchpad.net/ubuntu/+source/php8.1/8.1.2-1ubuntu2.2

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