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Ubuntu 24.10 USN-7254-1 critical: openjdk-21 network exposure

ubuntu
Calendar Grey February 5, 2025
Dist Ubuntu Esm H88
OpenJDK 21 patch enhances security measures on Ubuntu, safeguarding against sensitive information leaks during transmission.
OpenJDK 21 could be made to expose sensitive information over the network.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: OpenJDK 21 could be made to expose sensitive information over the network. Software Description: - openjdk-21: Open Source Java implementation Details: It was discovered that the Hotspot component of OpenJDK 21 did not properly handle API access under certain circumstances. An unauthenticated attacker could possibly use this issue to access unauthorized resources and expose sensitive information.

Topics%20covered

Topics Covered

security advisory ubuntu sensitive information network exposure openjdk

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.10   openjdk-21-jdk                  21.0.6+7-1~24.10.1   openjdk-21-jdk-headless         21.0.6+7-1~24.10.1   openjdk-21-jre                  21.0.6+7-1~24.10.1   openjdk-21-jre-headless         21.0.6+7-1~24.10.1   openjdk-21-jre-zero             21.0.6+7-1~24.10.1 Ubuntu 24.04 LTS   openjdk-21-jdk                  21.0.6+7-1~24.04.1   openjdk-21-jdk-headless         21.0.6+7-1~24.04.1   openjdk-21-jre                  21.0.6+7-1~24.04.1   openjdk-21-jre-headless         21.0.6+7-1~24.04.1   openjdk-21-jre-zero             21.0.6+7-1~24.04.1 Ubuntu 22.04 LTS   openjdk-21-jdk                  21.0.6+7-1~22.04.1   openjdk-21-jdk-headless         21.0.6+7-1~22.04.1   openjdk-21-jre                  21.0.6+7-1~22.04.1   openjdk-21-jre-headless         21.0.6+7-1~22.04.1   openjdk-21-jre-zero             21.0.6+7-1~22.04.1 Ubuntu 20.04 LTS   openjdk-21-jdk                  21.0.6+7-1~20.04.1   openjdk-21-jdk-headless         21.0.6+7-1~20.04.1   openjdk-21-jre                  21.0.6+7-1~20.04.1   openjdk-21-jre-headless         21.0.6+7-1~20.04.1   openjdk-21-jre-zero             21.0.6+7-1~20.04.1 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-7254-1

  CVE-2025-21502

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7254-1

Topics%20covered

Topics Covered

security advisory ubuntu sensitive information network exposure openjdk

Package Information

https://launchpad.net/ubuntu/+source/openjdk-21/21.0.6+7-1~24.10.1 https://launchpad.net/ubuntu/+source/openjdk-21/21.0.6+7-1~24.04.1 https://launchpad.net/ubuntu/+source/openjdk-21/21.0.6+7-1~22.04.1 https://launchpad.net/ubuntu/+source/openjdk-21/21.0.6+7-1~20.04.1

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