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[USN-8681-1] OpenJDK 25 vulnerabilities

Posted on 26 August 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8681-1
August 26, 2026

openjdk-25 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.04 LTS
- 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 JSSE component of OpenJDK 25 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 25 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 25 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 25 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 25 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 25 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 25 did not correctly
authenticate users. A remote attacker could possibly use this issue to read or
modify sensitive data. (CVE-2026-47063)

Lian Owen discovered that the 2D (Little CMS) component of OpenJDK 25 did not
correctly handle certain integer arithmetic. An attacker could possibly use
this issue to cause a denial of service. (CVE-2026-41254)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 26.04 LTS
openjdk-25-jdk 25.0.4+7-1~26.04
openjdk-25-jdk-headless 25.0.4+7-1~26.04
openjdk-25-jre 25.0.4+7-1~26.04
openjdk-25-jre-headless 25.0.4+7-1~26.04
openjdk-25-jre-zero 25.0.4+7-1~26.04

Ubuntu 24.04 LTS
openjdk-25-jdk 25.0.4+7-1~24.04
openjdk-25-jdk-headless 25.0.4+7-1~24.04
openjdk-25-jre 25.0.4+7-1~24.04
openjdk-25-jre-headless 25.0.4+7-1~24.04
openjdk-25-jre-zero 25.0.4+7-1~24.04

Ubuntu 22.04 LTS
openjdk-25-jdk 25.0.4+7-1~22.04
openjdk-25-jdk-headless 25.0.4+7-1~22.04
openjdk-25-jre 25.0.4+7-1~22.04
openjdk-25-jre-headless 25.0.4+7-1~22.04
openjdk-25-jre-zero 25.0.4+7-1~22.04

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-8681-1
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-25/25.0.4+7-1~26.04
https://launchpad.net/ubuntu/+source/openjdk-25/25.0.4+7-1~24.04
https://launchpad.net/ubuntu/+source/openjdk-25/25.0.4+7-1~22.04

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