Important: PHP Security Update

php Updated 02 Oct 2025

Summary

24/10/2023
N/A
Yes i
Unrated
Not published

RLSA-2023:5926: Important: php security update. Affects php versions < 0:8.0.30-1.el9_2. Fixed in 0:8.0.30-1.el9_2. How to fix ↓

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Background

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It allows developers to create dynamic web pages and applications. PHP is widely used in the development of websites and web applications due to its simplicity and versatility. However, like any software, PHP is susceptible to security vulnerabilities that can be exploited by attackers.

Vulnerability Detail

The PHP security update addresses multiple vulnerabilities that could potentially be exploited by attackers. These vulnerabilities include:

  1. XML loading external entity without being enabled (CVE-2023-3823): This vulnerability allows an attacker to load external entities in XML files, potentially leading to information disclosure or denial of service.

  2. Phar buffer mismanagement (CVE-2023-3824): This vulnerability allows an attacker to manipulate phar archives, potentially leading to remote code execution.

  3. 1-byte array overrun in common path resolve code (CVE-2023-0568): This vulnerability allows an attacker to overwrite memory, potentially leading to remote code execution.

  4. Denial of Service vulnerability when parsing multipart request body (CVE-2023-0662): This vulnerability allows an attacker to send specially crafted multipart requests, potentially leading to a denial of service.

  5. Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP (CVE-2023-3247): This vulnerability allows an attacker to bypass authentication in SOAP requests, potentially leading to unauthorized access.

  6. Password_verify() always returns true with some hash (CVE-2023-0567): This vulnerability allows an attacker to bypass password verification, potentially leading to unauthorized access.

These vulnerabilities can have serious consequences, including unauthorized access, remote code execution, information disclosure, and denial of service.

How To Fix

Minimum fixed version

0:8.0.30-1.el9_2

This is the first release that contains the fix.

sudo dnf update php

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Conclusion

The PHP security update addresses multiple vulnerabilities that could potentially be exploited by attackers. It is important to update PHP to the latest version to ensure the security of your web applications. Regularly updating PHP and other software is crucial in maintaining a secure environment. For further support on vulnerability remediation, you can contact DevNack.com.

See every vulnerability recorded for php →

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FAQ

PHP is an HTML-embedded scripting language commonly used for web development. It allows developers to create dynamic web pages and applications.

These vulnerabilities can lead to unauthorized access, remote code execution, information disclosure, and denial of service.

You can update PHP by following the instructions provided by your operating system or package manager. It is important to regularly update PHP and other software to ensure the security of your web applications.

No specific workarounds have been mentioned for these vulnerabilities. It is recommended to update PHP to the latest version.

You can find more information about these vulnerabilities on the CVE pages listed in the References section.

Related vulnerabilities

Recent vulnerabilities recorded for php.

How To Fix

Minimum fixed version

0:8.0.30-1.el9_2

This is the first release that contains the fix.

sudo dnf update php

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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