What is the vulnerability ID for this Python 2.7 vulnerability?

The vulnerability ID for this Python 2.7 vulnerability is USN-4754-4.

Which Python packages and versions are affected by this vulnerability?

The Python 2.7 packages 'python2.7' and 'python2.7-minimal' with versions up to '2.7.17-1~18.04ubuntu1.6' on Ubuntu 18.04, and versions up to '2.7.12-1ubuntu0~16.04.18' on Ubuntu 16.04 are affected.

How can I fix the Python 2.7 vulnerability?

To fix the Python 2.7 vulnerability, update the 'python2.7' and 'python2.7-minimal' packages to version '2.7.17-1~18.04ubuntu1.6' on Ubuntu 18.04, and version '2.7.12-1ubuntu0~16.04.18' on Ubuntu 16.04.

Where can I find more information about this vulnerability?

You can find more information about this vulnerability on the Ubuntu Security Notices page: [USN-4754-1] [USN-4754-3].

Vulnerability/
USN-4754-4

3/3/2021

USN-4754-4: Python 2.7 vulnerability

First published: Wed Mar 03 2021(Updated: )

USN-4754-1 fixed vulnerabilities in Python. Because of a regression, a subsequent update removed the fix for CVE-2021-3177. This update reinstates the security fix for CVE-2021-3177. We apologize for the inconvenience. Original advisory details: It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. (CVE-2020-27619, CVE-2021-3177)

Affected Software	Affected Version	How to fix
All of
ubuntu/python2.7	<2.7.17-1~18.04ubuntu1.6	2.7.17-1~18.04ubuntu1.6
	=18.04
All of
ubuntu/python2.7-minimal	<2.7.17-1~18.04ubuntu1.6	2.7.17-1~18.04ubuntu1.6
	=18.04
All of
ubuntu/python2.7	<2.7.12-1ubuntu0~16.04.18	2.7.12-1ubuntu0~16.04.18
	=16.04
All of
ubuntu/python2.7-minimal	<2.7.12-1ubuntu0~16.04.18	2.7.12-1ubuntu0~16.04.18
	=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2021-3177

Frequently Asked Questions

What is the vulnerability ID for this Python 2.7 vulnerability?
The vulnerability ID for this Python 2.7 vulnerability is USN-4754-4.
What is the security fix provided by this update?
This update reinstates the security fix for CVE-2021-3177.
Which Python packages and versions are affected by this vulnerability?
The Python 2.7 packages 'python2.7' and 'python2.7-minimal' with versions up to '2.7.17-1~18.04ubuntu1.6' on Ubuntu 18.04, and versions up to '2.7.12-1ubuntu0~16.04.18' on Ubuntu 16.04 are affected.
How can I fix the Python 2.7 vulnerability?
To fix the Python 2.7 vulnerability, update the 'python2.7' and 'python2.7-minimal' packages to version '2.7.17-1~18.04ubuntu1.6' on Ubuntu 18.04, and version '2.7.12-1ubuntu0~16.04.18' on Ubuntu 16.04.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability on the Ubuntu Security Notices page: [USN-4754-1] [USN-4754-3].

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