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Ubuntu: OpenJDK 25 Important Security Fix for USN-7884-1

ubuntu
Calendar Grey November 25, 2025
Dist Ubuntu Esm H88
OpenJDK 25 security issues resolved across multiple Ubuntu releases. Important updates necessary to protect against remote threats.
Several security issues were fixed in OpenJDK 25.

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 Summary: Several security issues were fixed in OpenJDK 25. Software Description: - openjdk-25: Open Source Java implementation Details: Jinfeng Guo discovered that the Security component of OpenJDK 25 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 25 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) Yakov Shafranovich discovered that the Libraries component of OpenJDK 21 contained an issue where certain Strings built with StringBuilder returned an incorrect result for String.equals() checks. An unaut...

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Topics%20covered

Topics Covered

security advisory information leak remote access Ubuntu important openjdk

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 openjdk-25-jdk 25.0.1+8-1~25.10 openjdk-25-jdk-headless 25.0.1+8-1~25.10 openjdk-25-jre 25.0.1+8-1~25.10 openjdk-25-jre-headless 25.0.1+8-1~25.10 openjdk-25-jre-zero 25.0.1+8-1~25.10 Ubuntu 25.04 openjdk-25-jdk 25.0.1+8-1~25.04 openjdk-25-jdk-headless 25.0.1+8-1~25.04 openjdk-25-jre 25.0.1+8-1~25.04 openjdk-25-jre-headless 25.0.1+8-1~25.04 openjdk-25-jre-zero 25.0.1+8-1~25.04 Ubuntu 24.04 LTS openjdk-25-jdk 25.0.1+8-1~24.04 openjdk-25-jdk-headless 25.0.1+8-1~24.04 openjdk-25-jre 25.0.1+8-1~24.04 openjdk-25-jre-headless 25.0.1+8-1~24.04 openjdk-25-jre-zero 25.0.1+8-1~24.04 Ubuntu 22.04 LTS openjdk-25-jdk 25.0.1+8-1~22.04 openjdk-25-jdk-headless 25.0.1+8-1~22.04 openjdk-25-jre 25.0.1+8-1~22.04 openjdk-25-jre-headless 25.0.1+8-1~22.04 openjdk-25-jre-zero 25.0.1+8-1~22.04 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-7884-1

CVE-2025-53057, CVE-2025-53066, CVE-2025-61748

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7884-1

Topics%20covered

Topics Covered

security advisory information leak remote access Ubuntu important openjdk

Package Information

https://launchpad.net/ubuntu/+source/openjdk-25/25.0.1+8-1~25.10 https://launchpad.net/ubuntu/+source/openjdk-25/25.0.1+8-1~25.04 https://launchpad.net/ubuntu/+source/openjdk-25/25.0.1+8-1~24.04 https://launchpad.net/ubuntu/+source/openjdk-25/25.0.1+8-1~22.04

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