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[USN-8784-1] OpenJDK 8 vulnerabilities

Posted on 21 September 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8784-1
September 21, 2026

openjdk-8 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
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in OpenJDK 8.

Software Description:
- openjdk-8: Open Source Java implementation

Details:

Kai Aizen discovered that the Networking component of OpenJDK 8 did not
correctly handle user authentication. A remote attacker could possibly use
this issue to leak sensitive information. (CVE-2026-61308)

It was discovered that the JSSE component of OpenJDK 8 did not correctly
handle user authentication. A remote attacker could possibly use this issue
to cause a denial of service. (CVE-2026-70907)

It was discovered that the Security component of OpenJDK 8 did not
correctly handle user authentication. A remote attacker could possibly use
this issue to leak sensitive information. (CVE-2026-60589)

Update instructions:

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

Ubuntu 26.04 LTS
openjdk-8-jdk 8u504-ga-1ubuntu1~26.04.3
openjdk-8-jdk-headless 8u504-ga-1ubuntu1~26.04.3
openjdk-8-jre 8u504-ga-1ubuntu1~26.04.3
openjdk-8-jre-headless 8u504-ga-1ubuntu1~26.04.3
openjdk-8-jre-zero 8u504-ga-1ubuntu1~26.04.3
openjdk-8-source 8u504-ga-1ubuntu1~26.04.3

Ubuntu 24.04 LTS
openjdk-8-jdk 8u504-ga-1ubuntu1~24.04.3
openjdk-8-jdk-headless 8u504-ga-1ubuntu1~24.04.3
openjdk-8-jre 8u504-ga-1ubuntu1~24.04.3
openjdk-8-jre-headless 8u504-ga-1ubuntu1~24.04.3
openjdk-8-jre-zero 8u504-ga-1ubuntu1~24.04.3
openjdk-8-source 8u504-ga-1ubuntu1~24.04.3

Ubuntu 22.04 LTS
openjdk-8-jdk 8u504-ga-1ubuntu1~22.04.3
openjdk-8-jdk-headless 8u504-ga-1ubuntu1~22.04.3
openjdk-8-jre 8u504-ga-1ubuntu1~22.04.3
openjdk-8-jre-headless 8u504-ga-1ubuntu1~22.04.3
openjdk-8-jre-zero 8u504-ga-1ubuntu1~22.04.3
openjdk-8-source 8u504-ga-1ubuntu1~22.04.3

Ubuntu 20.04 LTS
openjdk-8-jdk 8u504-ga-1ubuntu1~20.04.3
Available with Ubuntu Pro
openjdk-8-jdk-headless 8u504-ga-1ubuntu1~20.04.3
Available with Ubuntu Pro
openjdk-8-jre 8u504-ga-1ubuntu1~20.04.3
Available with Ubuntu Pro
openjdk-8-jre-headless 8u504-ga-1ubuntu1~20.04.3
Available with Ubuntu Pro
openjdk-8-jre-zero 8u504-ga-1ubuntu1~20.04.3
Available with Ubuntu Pro
openjdk-8-source 8u504-ga-1ubuntu1~20.04.3
Available with Ubuntu Pro

Ubuntu 18.04 LTS
openjdk-8-jdk 8u504-ga-1ubuntu1~18.04.3
Available with Ubuntu Pro
openjdk-8-jdk-headless 8u504-ga-1ubuntu1~18.04.3
Available with Ubuntu Pro
openjdk-8-jre 8u504-ga-1ubuntu1~18.04.3
Available with Ubuntu Pro
openjdk-8-jre-headless 8u504-ga-1ubuntu1~18.04.3
Available with Ubuntu Pro
openjdk-8-jre-zero 8u504-ga-1ubuntu1~18.04.3
Available with Ubuntu Pro
openjdk-8-source 8u504-ga-1ubuntu1~18.04.3
Available with Ubuntu Pro

Ubuntu 16.04 LTS
openjdk-8-jdk 8u504-ga-1ubuntu1~16.04.3
Available with Ubuntu Pro
openjdk-8-jdk-headless 8u504-ga-1ubuntu1~16.04.3
Available with Ubuntu Pro
openjdk-8-jre 8u504-ga-1ubuntu1~16.04.3
Available with Ubuntu Pro
openjdk-8-jre-headless 8u504-ga-1ubuntu1~16.04.3
Available with Ubuntu Pro
openjdk-8-jre-jamvm 8u504-ga-1ubuntu1~16.04.3
Available with Ubuntu Pro
openjdk-8-jre-zero 8u504-ga-1ubuntu1~16.04.3
Available with Ubuntu Pro
openjdk-8-source 8u504-ga-1ubuntu1~16.04.3
Available with Ubuntu Pro

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-8784-1
CVE-2026-60589, CVE-2026-61308, CVE-2026-70907

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-8/8u504-ga-1ubuntu1~26.04.3
https://launchpad.net/ubuntu/+source/openjdk-8/8u504-ga-1ubuntu1~24.04.3
https://launchpad.net/ubuntu/+source/openjdk-8/8u504-ga-1ubuntu1~22.04.3

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