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Ubuntu 23.10 USN-6811-1 Moderate: OpenJDK Denial of Service

ubuntu
Calendar Grey June 6, 2024
Dist Ubuntu Esm H88
The latest updates in OpenJDK 11 for Ubuntu have resolved critical vulnerabilities related to denial of service and memory handling, enhancing the overall security posture.
Several security issues were fixed in OpenJDK 11.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - 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: It was discovered that the Hotspot component of OpenJDK 11 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-21011) It was discovered that OpenJDK 11 incorrectly performed reverse DNS query under certain circumstances in the Networking/HTTP client component. An attacker could possibly use this issue to obtain sensitive information. (CVE-2024-21012) Vladimir Kondratyev discovered that the Hotspot component of OpenJDK 11 incorrectly handled address offset calculations in the C1 compiler. An attacker could possibly use this issue to cause a denial of service or exec...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security update Ubuntu memory management OpenJDK Java issues

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10 openjdk-11-jdk 11.0.23+9-1ubuntu1~23.10.1 openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~23.10.1 openjdk-11-jre 11.0.23+9-1ubuntu1~23.10.1 openjdk-11-jre-headless 11.0.23+9-1ubuntu1~23.10.1 openjdk-11-jre-zero 11.0.23+9-1ubuntu1~23.10.1 Ubuntu 22.04 LTS openjdk-11-jdk 11.0.23+9-1ubuntu1~22.04.1 openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~22.04.1 openjdk-11-jre 11.0.23+9-1ubuntu1~22.04.1 openjdk-11-jre-headless 11.0.23+9-1ubuntu1~22.04.1 openjdk-11-jre-zero 11.0.23+9-1ubuntu1~22.04.1 Ubuntu 20.04 LTS openjdk-11-jdk 11.0.23+9-1ubuntu1~20.04.2 openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~20.04.2 openjdk-11-jre 11.0.23+9-1ubuntu1~20.04.2 openjdk-11-jre-headless 11.0.23+9-1ubuntu1~20.04.2 openjdk-11-jre-zero 11.0.23+9-1ubuntu1~20.04.2 Ubuntu 18.04 LTS openjdk-11-jdk 11.0.23+9-1ubuntu1~18.04.1 Available with Ubuntu Pro openjdk-11-jdk-headless 11.0.23+9-1ubuntu1~18.04.1 Available with Ubuntu Pro openjdk-11-jre 11.0.23+9-1ubuntu1~18.04.1 Available with Ubuntu Pro openjdk-11-jre-headless 11.0.23+9-1ubuntu1~18.04.1 Available with Ubuntu Pro openjdk-11-jre-zero 11.0.23+9-1ubuntu1~18.04.1 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 any Java applications to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6811-1

CVE-2024-21011, CVE-2024-21012, CVE-2024-21068, CVE-2024-21085,

CVE-2024-21094

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6811-1

Topics%20covered

Topics Covered

security advisory denial of service security update Ubuntu memory management OpenJDK Java issues

Package Information

https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~23.10.1 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~22.04.1 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~20.04.2

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