Ubuntu alert USN-8331-1 (openjdk-lts)
| From: | noreply+usn-bot@canonical.com | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-8331-1] OpenJDK 11 vulnerabilities | |
| Date: | Thu, 28 May 2026 16:50:21 +0000 | |
| Message-ID: | <E1wSdw5-0000ic-ML@lists.ubuntu.com> |
========================================================================== Ubuntu Security Notice USN-8331-1 May 28, 2026 openjdk-lts vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 25.10 - 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: Thomas Beckers discovered that the JAXP component of OpenJDK 11 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. (CVE-2026-22016) It was discovered that the Networking component of OpenJDK 11 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-34282) It was discovered that the JSSE component of OpenJDK 11 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-22021) It was discovered that the JGSS component of OpenJDK 11 did not correctly authenticate certain APIs. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-22013) It was discovered that the 2D component of OpenJDK 11 did not correctly handle certain integer arithmetic. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to leak sensitive information. (CVE-2026-23865) It was discovered that the Libraries component of OpenJDK 11 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-22018) Ken Pyle discovered that the Security component of OpenJDK 11 did not correctly authenticate certain APIs. A local attacker could possibly use this issue to leak sensitive information. (CVE-2026-22007, CVE-2026-34268) 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-... Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS openjdk-11-jdk 11.0.31+11-1ubuntu1~26.04.2 openjdk-11-jdk-headless 11.0.31+11-1ubuntu1~26.04.2 openjdk-11-jre 11.0.31+11-1ubuntu1~26.04.2 openjdk-11-jre-headless 11.0.31+11-1ubuntu1~26.04.2 openjdk-11-jre-zero 11.0.31+11-1ubuntu1~26.04.2 Ubuntu 25.10 openjdk-11-jdk 11.0.31+11-1ubuntu1~25.10.2 openjdk-11-jdk-headless 11.0.31+11-1ubuntu1~25.10.2 openjdk-11-jre 11.0.31+11-1ubuntu1~25.10.2 openjdk-11-jre-headless 11.0.31+11-1ubuntu1~25.10.2 openjdk-11-jre-zero 11.0.31+11-1ubuntu1~25.10.2 Ubuntu 24.04 LTS openjdk-11-jdk 11.0.31+11-1ubuntu1~24.04.2 openjdk-11-jdk-headless 11.0.31+11-1ubuntu1~24.04.2 openjdk-11-jre 11.0.31+11-1ubuntu1~24.04.2 openjdk-11-jre-headless 11.0.31+11-1ubuntu1~24.04.2 openjdk-11-jre-zero 11.0.31+11-1ubuntu1~24.04.2 Ubuntu 22.04 LTS openjdk-11-jdk 11.0.31+11-1ubuntu1~22.04.2 openjdk-11-jdk-headless 11.0.31+11-1ubuntu1~22.04.2 openjdk-11-jre 11.0.31+11-1ubuntu1~22.04.2 openjdk-11-jre-headless 11.0.31+11-1ubuntu1~22.04.2 openjdk-11-jre-zero 11.0.31+11-1ubuntu1~22.04.2 Ubuntu 20.04 LTS openjdk-11-jdk 11.0.31+11-1ubuntu1~20.04.2 Available with Ubuntu Pro openjdk-11-jdk-headless 11.0.31+11-1ubuntu1~20.04.2 Available with Ubuntu Pro openjdk-11-jre 11.0.31+11-1ubuntu1~20.04.2 Available with Ubuntu Pro openjdk-11-jre-headless 11.0.31+11-1ubuntu1~20.04.2 Available with Ubuntu Pro openjdk-11-jre-zero 11.0.31+11-1ubuntu1~20.04.2 Available with Ubuntu Pro Ubuntu 18.04 LTS openjdk-11-jdk 11.0.31+11-1ubuntu1~18.04.2 Available with Ubuntu Pro openjdk-11-jdk-headless 11.0.31+11-1ubuntu1~18.04.2 Available with Ubuntu Pro openjdk-11-jre 11.0.31+11-1ubuntu1~18.04.2 Available with Ubuntu Pro openjdk-11-jre-headless 11.0.31+11-1ubuntu1~18.04.2 Available with Ubuntu Pro openjdk-11-jre-zero 11.0.31+11-1ubuntu1~18.04.2 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 any running Java applications to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8331-1 CVE-2026-22007, CVE-2026-22013, CVE-2026-22016, CVE-2026-22018, CVE-2026-22021, CVE-2026-23865, CVE-2026-34268, CVE-2026-34282 Package Information: https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.31+... https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.31+... https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.31+... https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.31+...
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