USN-6547-1: Python vulnerability

Published Dec 11, 2023
·
Updated

it was discovered that Python incorrectly handled null bytes when normalizing pathnames. An attacker could possibly use this issue to bypass certain filename checks.

Affected Software

2 affected componentsFixes available
All of the following
ubuntu/python3.11<3.11.4-1~23.04.2
3.11.4-1~23.04.2
Ubuntu Ubuntu=23.04

Event History

Dec 11, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-6547-1?

The severity of USN-6547-1 is classified as a potential security risk due to improper handling of null bytes in Python path normalization.

2

How can I fix USN-6547-1?

To resolve the issue described in USN-6547-1, upgrade Python to version 3.11.4-1~23.04.2 or later.

3

What systems are affected by USN-6547-1?

USN-6547-1 affects Ubuntu 23.04 systems running Python 3.11 versions prior to 3.11.4-1~23.04.2.

4

What vulnerability does USN-6547-1 address?

USN-6547-1 addresses a vulnerability where attackers could bypass filename checks due to null byte handling in Python.

5

When was USN-6547-1 released?

USN-6547-1 was released as part of a security advisory to address specific vulnerabilities in Python.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203