[USN-5960-1] Python vulnerability

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Ubuntu Security Notice USN-5960-1
March 16, 2023

python2.7, python3.10, python3.5, python3.6, python3.8 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Python could be made to bypass blocklisting methods if a specially
crafted URL was provided.

Software Description:
- python3.10: An interactive high-level object-oriented language
- python3.8: An interactive high-level object-oriented language
- python2.7: An interactive high-level object-oriented language
- python3.6: An interactive high-level object-oriented language
- python3.5: An interactive high-level object-oriented language

Details:

Yebo Cao discovered that Python incorrectly handled certain URLs.
An attacker could possibly use this issue to bypass blocklisting
methods by supplying a URL that starts with blank characters.

Update instructions:

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

Ubuntu 22.10:
python3.10 3.10.7-1ubuntu0.3

Ubuntu 22.04 LTS:
python3.10 3.10.6-1~22.04.2ubuntu1

Ubuntu 20.04 LTS:
python3.8 3.8.10-0ubuntu1~20.04.7

Ubuntu 18.04 LTS:
python2.7 2.7.17-1~18.04ubuntu1.11
python3.6 3.6.9-1~18.04ubuntu1.12

Ubuntu 16.04 ESM:
python2.7 2.7.12-1ubuntu0~16.04.18+esm4
python3.5 3.5.2-2ubuntu0~16.04.13+esm7

Ubuntu 14.04 ESM:
python2.7 2.7.6-8ubuntu0.6+esm14

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

References:
https://ubuntu.com/security/notices/USN-5960-1
CVE-2023-24329

Package Information:
https://launchpad.net/ubuntu/+source/python3.10/3.10.7-1ubuntu0.3
https://launchpad.net/ubuntu/+source/python3.10/3.10.6-1~22.04.2ubuntu1
https://launchpad.net/ubuntu/+source/python3.8/3.8.10-0ubuntu1~20.04.7
https://launchpad.net/ubuntu/+source/python2.7/2.7.17-1~18.04ubuntu1.11
https://launchpad.net/ubuntu/+source/python3.6/3.6.9-1~18.04ubuntu1.12