Ubuntu 25.10 OpenJDK 11 Critical Info Leak & XEE Attack USN-7882-1
ubuntu
November 25, 2025
Several security issues were fixed in OpenJDK 11.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - 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: Jinfeng Guo discovered that the Security component of OpenJDK 11 did not correctly handle certain representations of encoded strings. An unauthenticated remote attacker could possibly use this issue to modify files or leak sensitive information. (CVE-2025-53057) Darius Bohni discovered that the JAXP component of OpenJDK 11 was vulnerable to a XML External Entity (XEE) attack. An unauthenticated remote attacker could possibly use this issue to modify files or leak sensitive information. (CVE-2025-53066) In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: ...
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Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 openjdk-11-jdk 11.0.29+7-1ubuntu1~25.10 openjdk-11-jdk-headless 11.0.29+7-1ubuntu1~25.10 openjdk-11-jre 11.0.29+7-1ubuntu1~25.10 openjdk-11-jre-headless 11.0.29+7-1ubuntu1~25.10 openjdk-11-jre-zero 11.0.29+7-1ubuntu1~25.10 Ubuntu 25.04 openjdk-11-jdk 11.0.29+7-1ubuntu1~25.04 openjdk-11-jdk-headless 11.0.29+7-1ubuntu1~25.04 openjdk-11-jre 11.0.29+7-1ubuntu1~25.04 openjdk-11-jre-headless 11.0.29+7-1ubuntu1~25.04 openjdk-11-jre-zero 11.0.29+7-1ubuntu1~25.04 Ubuntu 24.04 LTS openjdk-11-jdk 11.0.29+7-1ubuntu1~24.04 openjdk-11-jdk-headless 11.0.29+7-1ubuntu1~24.04 openjdk-11-jre 11.0.29+7-1ubuntu1~24.04 openjdk-11-jre-headless 11.0.29+7-1ubuntu1~24.04 openjdk-11-jre-zero 11.0.29+7-1ubuntu1~24.04 Ubuntu 22.04 LTS openjdk-11-jdk 11.0.29+7-1ubuntu1~22.04 openjdk-11-jdk-headless 11.0.29+7-1ubuntu1~22.04 openjdk-11-jre 11.0.29+7-1ubuntu1~22.04 openjdk-11-jre-headless 11.0.29+7-1ubuntu1~22.04 openjdk-11-jre-zero 11.0.29+7-1ubuntu1~22.04 Ubuntu 20.04 LTS openjdk-11-jdk 11.0.29+7-1ubuntu1~20.04 Available with Ubuntu Pro openjdk-11-jdk-headless 11.0.29+7-1ubuntu1~20.04 Available with Ubuntu Pro openjdk-11-jre 11.0.29+7-1ubuntu1~20.04 Available with Ubuntu Pro openjdk-11-jre-headless 11.0.29+7-1ubuntu1~20.04 Available with Ubuntu Pro openjdk-11-jre-zero 11.0.29+7-1ubuntu1~20.04 Available with Ubuntu Pro Ubuntu 18.04 LTS openjdk-11-jdk 11.0.29+7-1ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jdk-headless 11.0.29+7-1ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jre 11.0.29+7-1ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jre-headless 11.0.29+7-1ubuntu1~18.04 Available with Ubuntu Pro openjdk-11-jre-zero 11.0.29+7-1ubuntu1~18.04 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-7882-1
CVE-2025-53057, CVE-2025-53066
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Ubuntu Security Notice USN-7882-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.29+7-1ubuntu1~25.10 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.29+7-1ubuntu1~25.04 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.29+7-1ubuntu1~24.04 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.29+7-1ubuntu1~22.04
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