Ubuntu 24.04 LTS: USN-6780-1 Moderate: python-idna Resource Consumption
ubuntu
May 21, 2024
idna could be made to consume significant resources if it receives a specially crafted input.
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.
Topics Covered
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
PREVIOUS
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Ubuntu Security Notice USN-6780-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/python-idna/3.6-2ubuntu0.1
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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