========================================================================== Ubuntu Security Notice USN-6597-1 January 25, 2024
puma vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 Summary: Puma could be made to consume resources if it received specially crafted network traffic. Software Description: - puma: threaded HTTP 1.1 server for Ruby/Rack applications Details: It was discovered that Puma incorrectly handled parsing chunked transfer encoding bodies. A remote attacker could possibly use this issue to cause Puma to consume resources, leading to a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: puma 5.6.5-4ubuntu2.1 Ubuntu 23.04: puma 5.6.5-3ubuntu1.2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6597-1 CVE-2024-21647 Package Information: https://launchpad.net/ubuntu/+source/puma/5.6.5-4ubuntu2.1 https://launchpad.net/ubuntu/+source/puma/5.6.5-3ubuntu1.2
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