Ubuntu alert USN-8677-1 (openjdk-21)
| From: | noreply+usn-bot--- via ubuntu-security-announce <ubuntu-security-announce@lists.ubuntu.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-8677-1] OpenJDK 21 vulnerabilities | |
| Date: | Wed, 26 Aug 2026 11:00:52 +0000 | |
| Message-ID: | <E1wzBNE-0001H0-Az@lists.ubuntu.com> | |
| Cc: | noreply+usn-bot@canonical.com |
========================================================================== Ubuntu Security Notice USN-8677-1 August 25, 2026 openjdk-21 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in OpenJDK 21. Software Description: - openjdk-21: Open Source Java implementation Details: It was discovered that the JSSE component of OpenJDK 21 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-46968) It was discovered that the JSSE component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-46917) It was discovered that the ImageIO component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-47010) It was discovered that the 2D component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-47021, CVE-2026-47059) It was discovered that the Libraries component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-47027) It was discovered that the Security component of OpenJDK 21 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-60147) It was discovered that the Libraries component of OpenJDK 21 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-47063) It was discovered that the 2D (Little CMS) component of OpenJDK 21 did not correctly handle certain integer arithmetic. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-41254) 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-21-demo 21.0.12+8-1~26.04 openjdk-21-jdk 21.0.12+8-1~26.04 openjdk-21-jdk-headless 21.0.12+8-1~26.04 openjdk-21-jre 21.0.12+8-1~26.04 openjdk-21-jre-headless 21.0.12+8-1~26.04 openjdk-21-jre-zero 21.0.12+8-1~26.04 openjdk-21-source 21.0.12+8-1~26.04 openjdk-21-testsupport 21.0.12+8-1~26.04 Ubuntu 24.04 LTS openjdk-21-demo 21.0.12+8-1~24.04 openjdk-21-jdk 21.0.12+8-1~24.04 openjdk-21-jdk-headless 21.0.12+8-1~24.04 openjdk-21-jre 21.0.12+8-1~24.04 openjdk-21-jre-headless 21.0.12+8-1~24.04 openjdk-21-jre-zero 21.0.12+8-1~24.04 openjdk-21-source 21.0.12+8-1~24.04 openjdk-21-testsupport 21.0.12+8-1~24.04 Ubuntu 22.04 LTS openjdk-21-demo 21.0.12+8-1~22.04 openjdk-21-doc 21.0.12+8-1~22.04 openjdk-21-jdk 21.0.12+8-1~22.04 openjdk-21-jdk-headless 21.0.12+8-1~22.04 openjdk-21-jre 21.0.12+8-1~22.04 openjdk-21-jre-headless 21.0.12+8-1~22.04 openjdk-21-jre-zero 21.0.12+8-1~22.04 openjdk-21-source 21.0.12+8-1~22.04 openjdk-21-testsupport 21.0.12+8-1~22.04 Ubuntu 20.04 LTS openjdk-21-demo 21.0.12+8-1~20.04 Available with Ubuntu Pro openjdk-21-jdk 21.0.12+8-1~20.04 Available with Ubuntu Pro openjdk-21-jdk-headless 21.0.12+8-1~20.04 Available with Ubuntu Pro openjdk-21-jre 21.0.12+8-1~20.04 Available with Ubuntu Pro openjdk-21-jre-headless 21.0.12+8-1~20.04 Available with Ubuntu Pro openjdk-21-jre-zero 21.0.12+8-1~20.04 Available with Ubuntu Pro openjdk-21-source 21.0.12+8-1~20.04 Available with Ubuntu Pro openjdk-21-testsupport 21.0.12+8-1~20.04 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 any running Java applications to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8677-1 CVE-2026-41254, CVE-2026-46917, CVE-2026-46968, CVE-2026-47010, CVE-2026-47021, CVE-2026-47027, CVE-2026-47059, CVE-2026-47063, CVE-2026-60147 Package Information: https://launchpad.net/ubuntu/+source/openjdk-21/21.0.12+8... https://launchpad.net/ubuntu/+source/openjdk-21/21.0.12+8... https://launchpad.net/ubuntu/+source/openjdk-21/21.0.12+8...
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