Packages
- openjdk-26 - Open Source Java implementation
Details
Thomas Beckers discovered that the JAXP component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of OpenJDK 26 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could
possibly use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the JGSS component of OpenJDK 26 did not correctly
authenticate certain APIs. A remote attacker could possibly use this...
Thomas Beckers discovered that the JAXP component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to gain unauthorized access to sensitive
information. (CVE-2026-22016)
It was discovered that the Networking component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-34282)
It was discovered that the JSSE component of OpenJDK 26 did not correctly
authenticate certain APIs. A remote unauthenticated attacker could
possibly use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the JGSS component of OpenJDK 26 did not correctly
authenticate certain APIs. A remote attacker could possibly use this issue
to obtain sensitive information. (CVE-2026-22013)
It was discovered that the 2D component of OpenJDK 26 did not correctly
handle certain integer arithmetic. If a user or automated system were
tricked into opening a specially crafted file, an attacker could
possibly use this issue to obtain sensitive information. (CVE-2026-23865)
It was discovered that the Libraries component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to modify data. (CVE-2026-22008)
It was discovered that the Libraries component of OpenJDK 26 did not
correctly authenticate certain APIs. A remote unauthenticated attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-22018)
Ken Pyle discovered that the Security component of OpenJDK 26 did not
correctly authenticate certain APIs. A local attacker could possibly
use this issue to obtain sensitive information.
(CVE-2026-22007, CVE-2026-34268)
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/2026-04-21
Update instructions
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.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | openjdk-26-jdk – 26.0.1+8-2~26.04.2 | ||
| openjdk-26-jdk-headless – 26.0.1+8-2~26.04.2 | |||
| openjdk-26-jre – 26.0.1+8-2~26.04.2 | |||
| openjdk-26-jre-headless – 26.0.1+8-2~26.04.2 | |||
| openjdk-26-jre-zero – 26.0.1+8-2~26.04.2 | |||
| 25.10 questing | openjdk-26-jdk – 26.0.1+8-2~25.10.2 | ||
| openjdk-26-jdk-headless – 26.0.1+8-2~25.10.2 | |||
| openjdk-26-jre – 26.0.1+8-2~25.10.2 | |||
| openjdk-26-jre-headless – 26.0.1+8-2~25.10.2 | |||
| openjdk-26-jre-zero – 26.0.1+8-2~25.10.2 | |||
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