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Ubuntu 25.04: USN-7481-1 critical: OpenJDK 11 Denial of Service

Several security issues were fixed in OpenJDK 11.. ========================================================================== Ubuntu Security Notice USN-7481-1 May 06, 2025 openjdk-lts vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.04 - Ubuntu 24.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in OpenJDK 11. Software Description: - openjdk-lts: Open Source Java implementation Details: Alicja Kario discovered that the JSSE component of OpenJDK 11 incorrectly handled RSA padding. An Attacker could possibly use this issue to obtain sensitive information. (CVE-2025-21587) It was discovered that the Compiler component of OpenJDK 11 incorrectly handled compiler transformations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2025-30691) It was discovered that the 2D component of OpenJDK 11 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2025-30698) In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2025-04-15 Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.04 openjdk-11-jdk 11.0.27+6~us1-0ubuntu1~25.04 openjdk-11-jdk-headless 11.0.27+6~us1-0ubuntu1~25.04 openjdk-11-jre 11.0.27+6~us1-0ubuntu1~25.04 openjdk-11-jre-headless 11.0.27+6~us1-0ubuntu1~25.04 openjdk-11-jre-zero 11.0.27+6~us1-0ubuntu1~25.04 Ubuntu 24.10 openjdk-11-jdk 11.0.27+6~us1-0ubuntu1~24.10 openjdk-11-jdk-headless 11.0.27+6~us1-0ubuntu1~24.10 openjdk-11-jre 11.0.27+6~us1-0ubuntu1~24.10 openjdk-11-jre-headless 11.0.27+6~us1-0ubuntu1~24.10 openjdk-11-jre-zero 11.0.27+6~us1-0ubuntu1~24.10 Ubuntu 24.04 LTS openjdk-11-jdk 11.0.27+6~us1-0ubuntu1~24.04 openjdk-11-jdk-headless 11.0.27+6~us1-0ubuntu1~24.04 openjdk-11-jre 11.0.27+6~us1-0ubuntu1~24.04 openjdk-11-jre-headless 11.0.27+6~us1-0ubuntu1~24.04 openjdk-11-jre-zero 11.0.27+6~us1-0ubuntu1~24.04 Ubuntu 22.04 LTS openjdk-11-jdk 11.0.27+6~us1-0ubuntu1~22.04 openjdk-11-jdk-headless 11.0.27+6~us1-0ubuntu1~22.04 openjdk-11-jre 11.0.27+6~us1-0ubuntu1~22.04 openjdk-11-jre-headless 11.0.27+6~us1-0ubuntu1~22.04 openjdk-11-jre-zero 11.0.27+6~us1-0ubuntu1~22.04 Ubuntu 20.04 LTS openjdk-11-jdk 11.0.27+6~us1-0ubuntu1~20.04 openjdk-11-jdk-headless 11.0.27+6~us1-0ubuntu1~20.04 openjdk-11-jre 11.0.27+6~us1-0ubuntu1~20.04 openjdk-11-jre-headless 11.0.27+6~us1-0ubuntu1~20.04 openjdk-11-jre-zero 11.0.27+6~us1-0ubuntu1~20.04 Ubuntu 18.04 LTS openjdk-11-jdk 11.0.27+6~us1-0ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jdk-headless 11.0.27+6~us1-0ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jre 11.0.27+6~us1-0ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jre-headless 11.0.27+6~us1-0ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jre-zero 11.0.27+6~us1-0ubuntu1~18.04 Available with Ubuntu Pro This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart Java applications to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7481-1 CVE-2025-21587, CVE-2025-30691, CVE-2025-30698 Package Information: https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.27+6~us1-0ubuntu1~25.04 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.27+6~us1-0ubuntu1~24.10 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.27+6~us1-0ubuntu1~24.04 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.27+6~us1-0ubuntu1~22.04 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.27+6~us1-0ubuntu1~20.04 . Ubuntu has rolled out several updates for OpenJDK 11 focusing on boosting security measures and improving system performance. Make sure to update immediately!. openjdk security update, ubuntu security patches, java implementation vulnerabilities. . Severity: Critical. LinuxSecurity.com Team

May 06, 2025 •Critical Ubuntu