========================================================================== Ubuntu Security Notice USN-4956-1 May 17, 2021
python-eventlet vulnerability ========================================================================== 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
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