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[USN-9009-1] OpenJDK 8 vulnerabilities

Posted on 09 November 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-9009-1
November 09, 2026

openjdk-8 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.10
- 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:

It was discovered that the Security component of OpenJDK 8 did not
correctly authenticate users. A remote attacker could possibly use this
issue to modify sensitive data. (CVE-2026-83374)

It was discovered that the JSSE component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to modify
sensitive data. (CVE-2026-83376, CVE-2026-91461)

It was discovered that the JAAS component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to read
sensitive data. (CVE-2026-83380)

It was discovered that the Security component of OpenJDK 8 did not
correctly authorize users. A remote attacker could possibly use this issue
to read or modify sensitive data. (CVE-2026-83381, CVE-2026-87294)

It was discovered that the JDBC component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to read
sensitive data. (CVE-2026-83387)

It was discovered that the Networking component of OpenJDK 8 did not
correctly authorize users. A remote attacker could possibly use this issue
to cause a denial of service or to modify sensitive data. (CVE-2026-83395)

It was discovered that the JAXP component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2026-83400)

It was discovered that the JAXP component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to read
sensitive data. (CVE-2026-87290)

It was discovered that the Networking component of OpenJDK 8 did not
correctly authorize users. A remote attacker could possibly use this issue
to modify sensitive data. (CVE-2026-87292, CVE-2026-91451, CVE-2026-91452)

It was discovered that the RMI component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to read or
modify sensitive data. (CVE-2026-87293)

It was discovered that the JAXP component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to modify
sensitive data. (CVE-2026-87367)

It was discovered that the ImageIO component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to read
sensitive data. (CVE-2026-91334)

It was discovered that the AWT component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to read
sensitive data. (CVE-2026-91335)

It was discovered that the JSSE component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2026-91373)

It was discovered that the Serviceability component of OpenJDK 8 did not
correctly authorize users. A remote attacker could possibly use this issue
to read or modify sensitive data. (CVE-2026-91374)

It was discovered that the Utility component of OpenJDK 8 did not correctly
authorize users. A local attacker could possibly use this issue to read or
modify sensitive data. (CVE-2026-91380)

It was discovered that the 2D component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to modify
sensitive data. (CVE-2026-91381)

It was discovered that the 2D component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to
cause a denial of service or to modify sensitive data. (CVE-2026-91382)

It was discovered that the Utility component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to cause a
denial of service or to modify sensitive data. (CVE-2026-91395,
CVE-2026-91396)

It was discovered that the Serviceability component of OpenJDK 8 did not
correctly authorize users. A local attacker could possibly use this issue
to cause a denial of service or to modify sensitive data. (CVE-2026-91397)

It was discovered that the Networking component of OpenJDK 8 did not
correctly authenticate users. A remote attacker could possibly use this
issue to modify sensitive data. (CVE-2026-91398)

It was discovered that the Sound component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2026-91400)

It was discovered that the JSSE component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to read
or modify sensitive data. (CVE-2026-91403)

It was discovered that the Libraries component of OpenJDK 8 did not
correctly authorize users. A remote attacker could possibly use this issue
to cause a denial of service. (CVE-2026-91410)

It was discovered that the JGSS component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to
cause a denial of service or to modify sensitive data. (CVE-2026-91411)

It was discovered that the 2D component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to
cause a denial of service or to read or modify sensitive data.
(CVE-2026-91415)

It was discovered that the CORBA component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2026-91417)

It was discovered that the ImageIO component of OpenJDK 8 did not correctly
authorize users. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2026-91418)

It was discovered that the Lightweight HTTP Server component of OpenJDK 8
did not correctly authorize users. A remote attacker could possibly use
this issue to modify sensitive data. (CVE-2026-91453)

It was discovered that the JGSS component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to
modify sensitive data. (CVE-2026-91462)

It was discovered that the JGSS component of OpenJDK 8 did not correctly
authenticate users. A remote attacker could possibly use this issue to read
sensitive data. (CVE-2026-91463, CVE-2026-91464)

It was discovered that the Security component of OpenJDK 8 did not
correctly authenticate users. A remote attacker could possibly use this
issue to read or modify sensitive data. (CVE-2026-114820)

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/2026-10-20
https://openjdk.org/groups/vulnerability/advisories/2026-10-21
https://openjdk.org/groups/vulnerability/advisories/2026-10-24

Update instructions:

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

Ubuntu 26.10
openjdk-8-jdk 8u512-b09~us1-0ubuntu1~26.10.1
openjdk-8-jdk-headless 8u512-b09~us1-0ubuntu1~26.10.1
openjdk-8-jre 8u512-b09~us1-0ubuntu1~26.10.1
openjdk-8-jre-headless 8u512-b09~us1-0ubuntu1~26.10.1
openjdk-8-jre-zero 8u512-b09~us1-0ubuntu1~26.10.1
openjdk-8-source 8u512-b09~us1-0ubuntu1~26.10.1

Ubuntu 26.04 LTS
openjdk-8-jdk 8u512-b09~us1-0ubuntu1~26.04.1
openjdk-8-jdk-headless 8u512-b09~us1-0ubuntu1~26.04.1
openjdk-8-jre 8u512-b09~us1-0ubuntu1~26.04.1
openjdk-8-jre-headless 8u512-b09~us1-0ubuntu1~26.04.1
openjdk-8-jre-zero 8u512-b09~us1-0ubuntu1~26.04.1
openjdk-8-source 8u512-b09~us1-0ubuntu1~26.04.1

Ubuntu 24.04 LTS
openjdk-8-jdk 8u512-b09~us1-0ubuntu1~24.04.1
openjdk-8-jdk-headless 8u512-b09~us1-0ubuntu1~24.04.1
openjdk-8-jre 8u512-b09~us1-0ubuntu1~24.04.1
openjdk-8-jre-headless 8u512-b09~us1-0ubuntu1~24.04.1
openjdk-8-jre-zero 8u512-b09~us1-0ubuntu1~24.04.1
openjdk-8-source 8u512-b09~us1-0ubuntu1~24.04.1

Ubuntu 22.04 LTS
openjdk-8-jdk 8u512-b09~us1-0ubuntu1~22.04.1
openjdk-8-jdk-headless 8u512-b09~us1-0ubuntu1~22.04.1
openjdk-8-jre 8u512-b09~us1-0ubuntu1~22.04.1
openjdk-8-jre-headless 8u512-b09~us1-0ubuntu1~22.04.1
openjdk-8-jre-zero 8u512-b09~us1-0ubuntu1~22.04.1
openjdk-8-source 8u512-b09~us1-0ubuntu1~22.04.1

Ubuntu 20.04 LTS
openjdk-8-jdk 8u512-b09~us1-0ubuntu1~20.04.1
Available with Ubuntu Pro
openjdk-8-jdk-headless 8u512-b09~us1-0ubuntu1~20.04.1
Available with Ubuntu Pro
openjdk-8-jre 8u512-b09~us1-0ubuntu1~20.04.1
Available with Ubuntu Pro
openjdk-8-jre-headless 8u512-b09~us1-0ubuntu1~20.04.1
Available with Ubuntu Pro
openjdk-8-jre-zero 8u512-b09~us1-0ubuntu1~20.04.1
Available with Ubuntu Pro
openjdk-8-source 8u512-b09~us1-0ubuntu1~20.04.1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
openjdk-8-jdk 8u512-b09~us1-0ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-8-jdk-headless 8u512-b09~us1-0ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-8-jre 8u512-b09~us1-0ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-8-jre-headless 8u512-b09~us1-0ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-8-jre-zero 8u512-b09~us1-0ubuntu1~18.04.1
Available with Ubuntu Pro
openjdk-8-source 8u512-b09~us1-0ubuntu1~18.04.1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
openjdk-8-jdk 8u512-b09~us1-0ubuntu1~16.04.1
Available with Ubuntu Pro
openjdk-8-jdk-headless 8u512-b09~us1-0ubuntu1~16.04.1
Available with Ubuntu Pro
openjdk-8-jre 8u512-b09~us1-0ubuntu1~16.04.1
Available with Ubuntu Pro
openjdk-8-jre-headless 8u512-b09~us1-0ubuntu1~16.04.1
Available with Ubuntu Pro
openjdk-8-jre-jamvm 8u512-b09~us1-0ubuntu1~16.04.1
Available with Ubuntu Pro
openjdk-8-jre-zero 8u512-b09~us1-0ubuntu1~16.04.1
Available with Ubuntu Pro
openjdk-8-source 8u512-b09~us1-0ubuntu1~16.04.1
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-9009-1
CVE-2026-114820, CVE-2026-83374, CVE-2026-83376, CVE-2026-83380,
CVE-2026-83381, CVE-2026-83387, CVE-2026-83395, CVE-2026-83400,
CVE-2026-87290, CVE-2026-87292, CVE-2026-87293, CVE-2026-87294,
CVE-2026-87367, CVE-2026-91334, CVE-2026-91335, CVE-2026-91373,
CVE-2026-91374, CVE-2026-91380, CVE-2026-91381, CVE-2026-91382,
CVE-2026-91395, CVE-2026-91396, CVE-2026-91397, CVE-2026-91398,
CVE-2026-91400, CVE-2026-91403, CVE-2026-91410, CVE-2026-91411,
CVE-2026-91415, CVE-2026-91417, CVE-2026-91418, CVE-2026-91451,
CVE-2026-91452, CVE-2026-91453, CVE-2026-91461, CVE-2026-91462,
CVE-2026-91463, CVE-2026-91464

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-8/8u512-b09~us1-0ubuntu1~26.10.1
https://launchpad.net/ubuntu/+source/openjdk-8/8u512-b09~us1-0ubuntu1~26.04.1
https://launchpad.net/ubuntu/+source/openjdk-8/8u512-b09~us1-0ubuntu1~24.04.1
https://launchpad.net/ubuntu/+source/openjdk-8/8u512-b09~us1-0ubuntu1~22.04.1

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