==========================================================================
Ubuntu Security Notice USN-7084-1
October 29, 2024

python-urllib3 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

urllib3 could leak sensitive information.

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

Details:

It was discovered that urllib3 didn't strip HTTP Proxy-Authorization header
on cross-origin redirects. A remote attacker could possibly use this issue
to obtain sensitive information.

Update instructions:

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

Ubuntu 24.10
  python3-urllib3                 2.0.7-2ubuntu0.1

Ubuntu 24.04 LTS
  python3-urllib3                 2.0.7-1ubuntu0.1

Ubuntu 22.04 LTS
  python3-urllib3                 1.26.5-1~exp1ubuntu0.2

Ubuntu 20.04 LTS
  python3-urllib3                 1.25.8-2ubuntu0.4

Ubuntu 18.04 LTS
  python-urllib3                  1.22-1ubuntu0.18.04.2+esm2
                                  Available with Ubuntu Pro
  python3-urllib3                 1.22-1ubuntu0.18.04.2+esm2
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  python-urllib3                  1.13.1-2ubuntu0.16.04.4+esm2
                                  Available with Ubuntu Pro
  python3-urllib3                 1.13.1-2ubuntu0.16.04.4+esm2
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7084-1
  CVE-2024-37891

Package Information:
https://launchpad.net/ubuntu/+source/python-urllib3/2.0.7-2ubuntu0.1
https://launchpad.net/ubuntu/+source/python-urllib3/2.0.7-1ubuntu0.1
https://launchpad.net/ubuntu/+source/python-urllib3/1.26.5-1~exp1ubuntu0.2
https://launchpad.net/ubuntu/+source/python-urllib3/1.25.8-2ubuntu0.4