Ubuntu 5812-1: urllib3 vulnerability | LinuxSecurity.com
==========================================================================
Ubuntu Security Notice USN-5812-1
January 19, 2023

python-urllib3 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

urllib3 could be made to stop responding if it received specially crafted
network traffic.

Software Description:
- python-urllib3: HTTP library with thread-safe connection pooling

Details:

It was discovered that urllib3 incorrectly handled certain characters
in URLs. A remote attacker could possibly use this issue to cause urllib3
to consume resources, leading to a denial of service.

Update instructions:

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

Ubuntu 20.04 LTS:
   python3-urllib3                 1.25.8-2ubuntu0.2

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

References:
   https://ubuntu.com/security/notices/USN-5812-1
   CVE-2021-33503

Package Information:
   https://launchpad.net/ubuntu/+source/python-urllib3/1.25.8-2ubuntu0.2

Ubuntu 5812-1: urllib3 vulnerability

January 19, 2023
urllib3 could be made to stop responding if it received specially crafted network traffic.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: urllib3 could be made to stop responding if it received specially crafted network traffic. Software Description: - python-urllib3: HTTP library with thread-safe connection pooling Details: It was discovered that urllib3 incorrectly handled certain characters in URLs. A remote attacker could possibly use this issue to cause urllib3 to consume resources, leading to a denial of service.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: python3-urllib3 1.25.8-2ubuntu0.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5812-1

CVE-2021-33503

Severity
Ubuntu Security Notice USN-5812-1

Package Information

https://launchpad.net/ubuntu/+source/python-urllib3/1.25.8-2ubuntu0.2

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