========================================================================== Ubuntu Security Notice USN-7995-1 February 02, 2026
openjdk-25 vulnerabilities ========================================================================== 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 possibly use this issue to modify files or leak sensitive information. (CVE-2026-21933) Ireneusz Pastusiak discovered that the Security component of OpenJDK 25 failed to verify provided URIs point to a legitimate source when AIA is enabled. An unauthenticated remote attacker could possibly use this issue to redirect users to malicious hosts. (CVE-2026-21945) In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2026-01-20 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 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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