CVE-2026-91487
Publication date 20 October 2026
Last updated 9 November 2026
Ubuntu priority
Cvss 3 Severity Score
Description
Vulnerability in Oracle Java SE (component: Compiler). Supported versions that are affected are Oracle Java SE: 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE accessible data as well as unauthorized read access to a subset of Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| openjdk-8 | 26.10 stonking |
Needs evaluation
|
| 26.04 LTS resolute |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| openjdk-9 | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 16.04 LTS xenial | Ignored no longer supported by upstream | |
| openjdk-lts | 26.10 stonking |
Fixed in 11.0.33+9-1ubuntu1~26.10.1
|
| 26.04 LTS resolute |
Fixed in 11.0.33+9-1ubuntu1~26.04.1
|
|
| 24.04 LTS noble |
Fixed in 11.0.33+9-1ubuntu1~24.04.1
|
|
| 22.04 LTS jammy |
Fixed in 11.0.33+9-1ubuntu1~22.04.1
|
|
| 20.04 LTS focal |
Fixed in 11.0.33+9-1ubuntu1~20.04.1
|
|
| 18.04 LTS bionic |
Fixed in 11.0.33+9-1ubuntu1~18.04.1
|
|
| openjdk-13 | 26.10 stonking | Not in release |
| 26.04 LTS resolute | 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| 20.04 LTS focal | Ignored superseded by openjdk-17 | |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 | 26.10 stonking | Not in release |
| 26.04 LTS resolute | 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| 20.04 LTS focal | Ignored superseded by openjdk-17 | |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 | 26.10 stonking |
Fixed in 17.0.21.0.3+1-1~26.10.1
|
| 26.04 LTS resolute |
Fixed in 17.0.21.0.3+1-1~26.04.1
|
|
| 24.04 LTS noble |
Fixed in 17.0.21.0.3+1-1~24.04.1
|
|
| 22.04 LTS jammy |
Fixed in 17.0.21.0.3+1-1~22.04.1
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| openjdk-17-crac | 26.10 stonking |
Needs evaluation
|
| 26.04 LTS resolute |
Needs evaluation
|
|
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| openjdk-18 | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Ignored superseded by openjdk-19 | |
| openjdk-21 | 26.10 stonking |
Fixed in 21.0.13.0.3+1-1~26.10.1
|
| 26.04 LTS resolute |
Fixed in 21.0.13.0.3+1-1~26.04.1
|
|
| 24.04 LTS noble |
Fixed in 21.0.13.0.3+1-1~24.04.1
|
|
| 22.04 LTS jammy |
Fixed in 21.0.13.0.3+1-1~22.04.1
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| openjdk-21-crac | 26.10 stonking |
Needs evaluation
|
| 26.04 LTS resolute |
Needs evaluation
|
|
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| openjdk-25 | 26.10 stonking |
Fixed in 25.0.5.0.3+1-1~26.10.1
|
| 26.04 LTS resolute |
Fixed in 25.0.5.0.3+1-1~26.04.1
|
|
| 24.04 LTS noble |
Fixed in 25.0.5.0.3+1-1~24.04.1
|
|
| 22.04 LTS jammy |
Fixed in 25.0.5.0.3+1-1~22.04.1
|
|
| openjdk-27 | 26.10 stonking |
Fixed in 27.0.1.0.3+1-1~26.10.1
|
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release |
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CVSS version: CVSS v3.0
Base score
4.8 · Medium
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
References
Related Ubuntu Security Notices (USN)
- USN-9010-1
- OpenJDK 11 vulnerabilities
- 9 November 2026
- USN-9004-1
- OpenJDK 25 vulnerabilities
- 9 November 2026
- USN-9005-1
- OpenJDK 27 vulnerabilities
- 9 November 2026
- USN-9015-1
- OpenJDK 21 vulnerabilities
- 9 November 2026
- USN-9014-1
- OpenJDK 17 vulnerabilities
- 9 November 2026