[USN-7772-1] Eventlet vulnerability

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Ubuntu Security Notice USN-7772-1
September 24, 2025

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

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Eventlet could be made to bypass front-end security controls
if it received a specially crafted request.

Software Description:
- python-eventlet: concurrent networking library

Details:

It was discovered that Eventlet incorrectly handled certain requests.
An attacker could possibly use this issue to bypass front-end security
controls, launch targeted attacks against active site users, and poison
web
caches.

Update instructions:

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

Ubuntu 25.04
  python3-eventlet                0.39.0-0ubuntu1.1

Ubuntu 24.04 LTS
  python3-eventlet                0.35.2-0ubuntu1.1

Ubuntu 22.04 LTS
  python3-eventlet                0.30.2-5ubuntu2.2

Ubuntu 20.04 LTS
  python3-eventlet                0.25.1-2ubuntu1.1+esm2
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7772-1
  CVE-2025-58068, https://launchpad.net/bugs/2125423

Package Information:
 
https://launchpad.net/ubuntu/+source/python-eventlet/0.39.0-0ubuntu1.1
 
https://launchpad.net/ubuntu/+source/python-eventlet/0.35.2-0ubuntu1.1
 
https://launchpad.net/ubuntu/+source/python-eventlet/0.30.2-5ubuntu2.2