CVE-2026-22021

Publication date 21 April 2026

Last updated 2 June 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Status

Package Ubuntu Release Status
openjdk-8 26.04 LTS resolute
Fixed 8u492-ga~us2-0ubuntu1~26.04.1
25.10 questing
Fixed 8u492-ga~us2-0ubuntu1~25.10.1
24.04 LTS noble
Fixed 8u492-ga~us2-0ubuntu1~24.04.1
22.04 LTS jammy
Fixed 8u492-ga~us2-0ubuntu1~22.04.1
20.04 LTS focal
Fixed 8u492-ga~us2-0ubuntu1~20.04.1
18.04 LTS bionic
Fixed 8u492-ga~us2-0ubuntu1~18.04.1
16.04 LTS xenial
Fixed 8u492-ga~us2-0ubuntu1~16.04.1
openjdk-9 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
16.04 LTS xenial Ignored end of ESM support, was ignored [no longer supported by upstream]
openjdk-lts 26.04 LTS resolute
Fixed 11.0.31+11-1ubuntu1~26.04.2
25.10 questing
Fixed 11.0.31+11-1ubuntu1~25.10.2
24.04 LTS noble
Fixed 11.0.31+11-1ubuntu1~24.04.2
22.04 LTS jammy
Fixed 11.0.31+11-1ubuntu1~22.04.2
20.04 LTS focal
Fixed 11.0.31+11-1ubuntu1~20.04.2
18.04 LTS bionic
Fixed 11.0.31+11-1ubuntu1~18.04.2
openjdk-13 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored superseded by openjdk-17
openjdk-16 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored superseded by openjdk-17
openjdk-17 26.04 LTS resolute
Fixed 17.0.19+10-1~26.04.2
25.10 questing
Fixed 17.0.19+10-1~25.10.2
24.04 LTS noble
Fixed 17.0.19+10-1~24.04.2
22.04 LTS jammy
Fixed 17.0.19+10-1~22.04.2
20.04 LTS focal
Fixed 17.0.19+10-1~20.04.2
18.04 LTS bionic
Fixed 17.0.19+10-1~18.04.2
openjdk-17-crac 26.04 LTS resolute
Fixed 17.0.19+10-0ubuntu1~26.04.1
25.10 questing
Fixed 17.0.19+10-0ubuntu1~25.10.1
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
openjdk-18 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Ignored superseded by openjdk-19
openjdk-21 26.04 LTS resolute
Fixed 21.0.11+10-1~26.04.2
25.10 questing
Fixed 21.0.11+10-1~25.10.2
24.04 LTS noble
Fixed 21.0.11+10-1~24.04.2
22.04 LTS jammy
Fixed 21.0.11+10-1~22.04.2
20.04 LTS focal
Fixed 21.0.11+10-1~20.04.2
openjdk-21-crac 26.04 LTS resolute
Fixed 21.0.11+10-0ubuntu1~26.04.1
25.10 questing
Fixed 21.0.11+10-0ubuntu1~25.10.1
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
openjdk-25 26.04 LTS resolute
Fixed 25.0.3+9-2~26.04.2
25.10 questing
Fixed 25.0.3+9-2~25.10.2
24.04 LTS noble
Fixed 25.0.3+9-2~24.04.2
22.04 LTS jammy
Fixed 25.0.3+9-2~22.04.2
openjdk-25-crac 26.04 LTS resolute
Fixed 25.0.3+9-0ubuntu1~26.04.1
25.10 questing
Fixed 25.0.3+9-0ubuntu1~25.10.1
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
openjdk-26 26.04 LTS resolute
Fixed 26.0.1+8-2~26.04.2
25.10 questing
Fixed 26.0.1+8-2~25.10.2
24.04 LTS noble Not in release
22.04 LTS jammy Not in release

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Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

    • USN-8330-1
    • OpenJDK 8 vulnerabilities
    • 28 May 2026
    • USN-8331-1
    • OpenJDK 11 vulnerabilities
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    • USN-8332-1
    • CRaC JDK 17 vulnerabilities
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    • USN-8333-1
    • CRaC JDK 21 vulnerabilities
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    • USN-8334-1
    • CRaC JDK 25 vulnerabilities
    • 28 May 2026
    • USN-8327-1
    • OpenJDK 17 vulnerabilities
    • 28 May 2026
    • USN-8328-1
    • OpenJDK 21 vulnerabilities
    • 28 May 2026
    • USN-8341-1
    • OpenJDK 26 vulnerabilities
    • 28 May 2026
    • USN-8339-1
    • OpenJDK 25 vulnerabilities
    • 28 May 2026

Other references

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