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Ubuntu 25 OpenJDK 25 Important Security Threats USN-7995-1

ubuntu
Calendar Grey February 3, 2026
Dist Ubuntu Esm H88
Address critical issues in OpenJDK 25 for Ubuntu, including exploits that may lead to information theft and arbitrary code execution.
Several security issues were fixed in OpenJDK 25.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - 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: It was discovered that the RMI component of OpenJDK 25 would establish RMI TCP endpoint connections to a remote host without setting an endpoint identification algorithm. An unauthenticated remote attacker could possibly use this issue to steal sensitive information. (CVE-2026-21925) Mingijung discovered that the AWT and JavaFX componenets of OpenJDK 25 could run programs if Desktop.browse() was supplied a filename as a URI. An unauthenticated remote attacker could possibly use this issue to execute arbitrary code. (CVE-2026-21932) Zhihui Chen discovered that the Networking component of OpenJDK 25 was suceptible to a CRLF injection vulnerability via the HttpServer class. An unauthenticated remote attacker could possibl...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory remote access Ubuntu important information theft openjdk

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 openjdk-25-jdk 25.0.2+10-1~25.10 openjdk-25-jdk-headless 25.0.2+10-1~25.10 openjdk-25-jre 25.0.2+10-1~25.10 openjdk-25-jre-headless 25.0.2+10-1~25.10 openjdk-25-jre-zero 25.0.2+10-1~25.10 openjdk-25-jvmci-jdk 25.0.2+10-1~25.10 Ubuntu 24.04 LTS openjdk-25-jdk 25.0.2+10-1~24.04 openjdk-25-jdk-headless 25.0.2+10-1~24.04 openjdk-25-jre 25.0.2+10-1~24.04 openjdk-25-jre-headless 25.0.2+10-1~24.04 openjdk-25-jre-zero 25.0.2+10-1~24.04 openjdk-25-jvmci-jdk 25.0.2+10-1~24.04 Ubuntu 22.04 LTS openjdk-25-jdk 25.0.2+10-1~22.04 openjdk-25-jdk-headless 25.0.2+10-1~22.04 openjdk-25-jre 25.0.2+10-1~22.04 openjdk-25-jre-headless 25.0.2+10-1~22.04 openjdk-25-jre-zero 25.0.2+10-1~22.04 openjdk-25-jvmci-jdk 25.0.2+10-1~22.04 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-7995-1

CVE-2026-21925, CVE-2026-21932, CVE-2026-21933, CVE-2026-21945

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7995-1

Topics%20covered

Topics Covered

security advisory remote access Ubuntu important information theft openjdk

Package Information

https://launchpad.net/ubuntu/+source/openjdk-25/25.0.2+10-1~25.10 https://launchpad.net/ubuntu/+source/openjdk-25/25.0.2+10-1~24.04 https://launchpad.net/ubuntu/+source/openjdk-25/25.0.2+10-1~22.04

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