========================================================================== Ubuntu Security Notice USN-6780-1 May 21, 2024
python-idna vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: idna could be made to consume significant resources if it receives a specially crafted input. Software Description: - python-idna: Python IDNA2008 (RFC 5891) handling Details: Guido Vranken discovered that idna did not properly manage certain inputs, which could lead to significant resource consumption. 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 24.04 LTS python3-idna 3.6-2ubuntu0.1 Ubuntu 23.10 python3-idna 3.3-2ubuntu0.1 Ubuntu 22.04 LTS python3-idna 3.3-1ubuntu0.1 Ubuntu 20.04 LTS python-idna 2.8-1ubuntu0.1 python3-idna 2.8-1ubuntu0.1 Ubuntu 18.04 LTS pypy-idna 2.6-1ubuntu0.1~esm1 Available with Ubuntu Pro python-idna 2.6-1ubuntu0.1~esm1 Available with Ubuntu Pro python3-idna 2.6-1ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS pypy-idna 2.0-3ubuntu0.1~esm1 Available with Ubuntu Pro python-idna 2.0-3ubuntu0.1~esm1 Available with Ubuntu Pro python3-idna 2.0-3ubuntu0.1~esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6780-1 CVE-2024-3651 Package Information: https://launchpad.net/ubuntu/+source/python-idna/3.6-2ubuntu0.1 https://launchpad.net/ubuntu/+source/python-idna/3.3-2ubuntu0.1 https://launchpad.net/ubuntu/+source/python-idna/3.3-1ubuntu0.1 https://launchpad.net/ubuntu/+source/python-idna/2.8-1ubuntu0.1
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