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========================================================================== Ubuntu Security Notice USN-6837-2 August 19, 2024 ruby-rack vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Rack. Software Description: - ruby-rack: modular Ruby webserver interface Details: It was discovered that Rack incorrectly parsed certain media types. A remote attacker could possibly use this issue to cause Rack to consume resources, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-25126) It was discovered that Rack incorrectly handled certain Range headers. A remote attacker could possibly use this issue to cause Rack to create large responses, leading to a denial of service. (CVE-2024-26141) It was discovered that Rack incorrectly handled certain crafted headers. A remote attacker could possibly use this issue to cause Rack to consume resources, leading to a denial of service. (CVE-2024-26146) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS ruby-rack 2.1.4-5ubuntu1+ 5 Available with Ubuntu Pro Ubuntu 20.04 LTS ruby-rack 2.0.7-2ubuntu0.1+esm5 Available with Ubuntu Pro Ubuntu 18.04 LTS ruby-rack 1.6.4-4ubuntu0.2+esm6 Available with Ubuntu Pro Ubuntu 16.04 LTS ruby-rack 1.6.4-3ubuntu0.2+esm6 Available with Ubuntu Pro Ubuntu 14.04 LTS ruby-rack 1.5.2-3+deb8u3ubuntu1~esm8 Available with Ubuntu Pro After a standard system update you need to restart any applications using Rack to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6837-2 https://ubuntu.com/security/notices/USN-6837-1 CVE-2024-25126, CVE-2024-26141, CVE-2024-26146
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