Important: python3 security update - urllib.parse url blocklisting bypass (CVE-2023-24329)

platform-python Updated 02 Oct 2025

Summary

14/06/2023

Disclosed on

N/A

Severity

Yes i

Fix available

Unrated

Severity

Not published

CVSS Score

ALSA-2023:3591: Important: python3 security update. Affects platform-python versions < 3.6.8-51.el8_8.1.alma. Fixed in 3.6.8-51.el8_8.1.alma. How to fix ↓

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Background

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Vulnerability Detail

The urllib.parse module in Python is vulnerable to a url blocklisting bypass, tracked as CVE-2023-24329. This vulnerability allows an attacker to bypass the blocklist and access URLs that should be blocked. The impact of this vulnerability can vary depending on how the urllib.parse module is used in the affected application. It could potentially lead to unauthorized access, information disclosure, or other security issues.

How To Fix

Minimum fixed version

3.6.8-51.el8_8.1.alma

This is the first release that contains the fix.

sudo dnf update platform-python

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Workaround

There is no known workaround for this vulnerability. It is essential to apply the security update as soon as possible to mitigate the risk.

Conclusion

It is crucial to update the python3 package to the recommended version or later to address the urllib.parse url blocklisting bypass vulnerability. Failure to do so may expose the application to potential security risks. For further assistance or support in vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for platform-python →

FAQ

What is the impact of this vulnerability?

The impact of this vulnerability can vary depending on how the urllib.parse module is used in the affected application. It could potentially lead to unauthorized access, information disclosure, or other security issues.

How can I check if my application is affected?

You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and Vulert will analyze it for any open-source vulnerabilities, including this one.