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Ubuntu Security Notice USN-4956-1
May 17, 2021
python-eventlet vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
Summary:
Eventlet could be made denial of service 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 cause a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 21.04:
python3-eventlet 0.30.0-0ubuntu1.1
Ubuntu 20.10:
python3-eventlet 0.26.1-0ubuntu1.1
Ubuntu 20.04 LTS:
python3-eventlet 0.25.1-2ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-4956-1
CVE-2021-21419
Package Information:
https://launchpad.net/ubuntu/+source/python-eventlet/0.30.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/python-eventlet/0.26.1-0ubuntu1.1
https://launchpad.net/ubuntu/+source/python-eventlet/0.25.1-2ubuntu1.1
