========================================================================== Ubuntu Security Notice USN-8380-1 June 03, 2026
twisted vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Twisted could be made to crash if it received specially crafted network traffic. Software Description: - twisted: Event-based framework for internet applications Details: It was discovered that Twisted incorrectly handled DNS name decompression. A remote attacker could possibly use this issue to cause Twisted to consume excessive resources, leading to a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS python3-twisted 25.5.0-5ubuntu0.1 Ubuntu 25.10 python3-twisted 24.11.0-1ubuntu0.1 Ubuntu 24.04 LTS python3-twisted 24.3.0-1ubuntu0.2 Ubuntu 22.04 LTS python3-twisted 22.1.0-2ubuntu2.7 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8380-1 CVE-2026-42304 Package Information: https://launchpad.net/ubuntu/+source/twisted/25.5.0-5ubuntu0.1 https://launchpad.net/ubuntu/+source/twisted/24.11.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/twisted/24.3.0-1ubuntu0.2 https://launchpad.net/ubuntu/+source/twisted/22.1.0-2ubuntu2.7
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