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[USN-8676-1] OpenJDK 17 vulnerabilities

Posted on 26 August 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8676-1
August 25, 2026

openjdk-17 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
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in OpenJDK 17.

Software Description:
- openjdk-17: Open Source Java implementation

Details:

It was discovered that the JSSE component of OpenJDK 17 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 17 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 17 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 17 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 17 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 17 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 17 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 17 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/2026-07-21

Update instructions:

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

Ubuntu 26.04 LTS
openjdk-17-demo 17.0.20+8-1~26.04
openjdk-17-jdk 17.0.20+8-1~26.04
openjdk-17-jdk-headless 17.0.20+8-1~26.04
openjdk-17-jre 17.0.20+8-1~26.04
openjdk-17-jre-headless 17.0.20+8-1~26.04
openjdk-17-jre-zero 17.0.20+8-1~26.04
openjdk-17-source 17.0.20+8-1~26.04

Ubuntu 24.04 LTS
openjdk-17-demo 17.0.20+8-1~24.04
openjdk-17-jdk 17.0.20+8-1~24.04
openjdk-17-jdk-headless 17.0.20+8-1~24.04
openjdk-17-jre 17.0.20+8-1~24.04
openjdk-17-jre-headless 17.0.20+8-1~24.04
openjdk-17-jre-zero 17.0.20+8-1~24.04
openjdk-17-source 17.0.20+8-1~24.04

Ubuntu 22.04 LTS
openjdk-17-demo 17.0.20+8-1~22.04
openjdk-17-jdk 17.0.20+8-1~22.04
openjdk-17-jdk-headless 17.0.20+8-1~22.04
openjdk-17-jre 17.0.20+8-1~22.04
openjdk-17-jre-headless 17.0.20+8-1~22.04
openjdk-17-jre-zero 17.0.20+8-1~22.04
openjdk-17-source 17.0.20+8-1~22.04

Ubuntu 20.04 LTS
openjdk-17-demo 17.0.20+8-1~20.04
Available with Ubuntu Pro
openjdk-17-jdk 17.0.20+8-1~20.04
Available with Ubuntu Pro
openjdk-17-jdk-headless 17.0.20+8-1~20.04
Available with Ubuntu Pro
openjdk-17-jre 17.0.20+8-1~20.04
Available with Ubuntu Pro
openjdk-17-jre-headless 17.0.20+8-1~20.04
Available with Ubuntu Pro
openjdk-17-jre-zero 17.0.20+8-1~20.04
Available with Ubuntu Pro
openjdk-17-source 17.0.20+8-1~20.04
Available with Ubuntu Pro

Ubuntu 18.04 LTS
openjdk-17-demo 17.0.20+8-1~18.04
Available with Ubuntu Pro
openjdk-17-jdk 17.0.20+8-1~18.04
Available with Ubuntu Pro
openjdk-17-jdk-headless 17.0.20+8-1~18.04
Available with Ubuntu Pro
openjdk-17-jre 17.0.20+8-1~18.04
Available with Ubuntu Pro
openjdk-17-jre-headless 17.0.20+8-1~18.04
Available with Ubuntu Pro
openjdk-17-jre-zero 17.0.20+8-1~18.04
Available with Ubuntu Pro
openjdk-17-source 17.0.20+8-1~18.04
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-8676-1
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-17/17.0.20+8-1~26.04
https://launchpad.net/ubuntu/+source/openjdk-17/17.0.20+8-1~24.04
https://launchpad.net/ubuntu/+source/openjdk-17/17.0.20+8-1~22.04

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