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OpenAdvisories
Medium · 6.5 CVE-2026-91396 EUVD-2026-106650GHSA-4hrr-844c-vx6m

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Utilit…

Published Oct 20, 2026 · Updated Oct 22, 2026 · Assigned by oracle

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Utility). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and 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 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L).

Affected products

VendorProductAffectedFixed
Oracle Oracle Java SE 8u503, 8u503-perf, 11.0.32.1 —
Oracle Oracle GraalVM for JDK 17.0.20.1, 21.0.12.1 —
Oracle Oracle GraalVM Enterprise Edition 21.3.19.1.1 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 openjdk-21 No fix yet —
Debian 13 openjdk-21 No fix yet —
Debian 12 openjdk-17 No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 openjdk-17 +4 No fix yet —
Ubuntu 26.10 openjdk-8 8u512-b09~us1-0ubuntu1~26.10.1 USN-9009-1
Ubuntu 26.10 openjdk-lts 11.0.33+9-1ubuntu1~26.10.1 USN-9010-1
Ubuntu 26.04 LTS openjdk-17 +4 No fix yet —
Ubuntu 26.04 LTS openjdk-8 8u512-b09~us1-0ubuntu1~26.04.1 USN-9009-1
Ubuntu 26.04 LTS openjdk-lts 11.0.33+9-1ubuntu1~26.04.1 USN-9010-1
Ubuntu 24.04 LTS openjdk-17 +2 No fix yet —
Ubuntu 24.04 LTS openjdk-8 8u512-b09~us1-0ubuntu1~24.04.1 USN-9009-1
Ubuntu 24.04 LTS openjdk-lts 11.0.33+9-1ubuntu1~24.04.1 USN-9010-1
Ubuntu 22.04 LTS openjdk-17 +3 No fix yet —
Ubuntu 22.04 LTS openjdk-8 8u512-b09~us1-0ubuntu1~22.04.1 USN-9009-1
Ubuntu 22.04 LTS openjdk-lts 11.0.33+9-1ubuntu1~22.04.1 USN-9010-1
Ubuntu 20.04 LTS openjdk-13 +1 No fix yet —
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS openjdk-9 No fix yet —
Ubuntu Pro 20.04 LTS openjdk-17 +1 No fix yet —
Ubuntu Pro 20.04 LTS openjdk-8 8u512-b09~us1-0ubuntu1~20.04.1 USN-9009-1
Ubuntu Pro 20.04 LTS openjdk-lts 11.0.33+9-1ubuntu1~20.04.1 USN-9010-1
Ubuntu Pro 18.04 LTS openjdk-17 No fix yet —
Ubuntu Pro 18.04 LTS openjdk-8 8u512-b09~us1-0ubuntu1~18.04.1 USN-9009-1
Ubuntu Pro 18.04 LTS openjdk-lts 11.0.33+9-1ubuntu1~18.04.1 USN-9010-1
Ubuntu Pro 16.04 LTS openjdk-8 8u512-b09~us1-0ubuntu1~16.04.1 USN-9009-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed java-11-openjdk 11.0.33.0-1.1 openSUSE-SU-2026:12418-1
openSUSE Tumbleweed java-1_8_0-openjdk 1.8.0.512-1.1 openSUSE-SU-2026:12513-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 java-1.8.0-amazon-corretto +2 1:1.8.0_512.b08-1.amzn2023 ALAS2023-2026-3315
Amazon Linux 2023 java-11-amazon-corretto +5 1:11.0.33.0.9-1.amzn2023 ALAS2023-2026-3317
Amazon Linux 2023 java-17-amazon-corretto +5 1:17.0.21.0.10-1.amzn2023.1 ALAS2023-2026-3318
Amazon Linux 2023 java-21-amazon-corretto +5 1:21.0.13.0.10-1.amzn2023.1 ALAS2023-2026-3319
Amazon Linux 2023 java-25-amazon-corretto +5 1:25.0.5.0.9-1.amzn2023.1 ALAS2023-2026-3320
Amazon Linux 2023 java-27-amazon-corretto +5 1:27.0.1.0.10-1.amzn2023.1 ALAS2023-2026-3316
Amazon Linux 2 java-11-amazon-corretto +3 1:11.0.33.0.9-1.amzn2 ALAS2-2026-4039
Amazon Linux 2 java-17-amazon-corretto +5 1:17.0.21.0.10-1.amzn2.1 ALAS2-2026-4040

Advisories 14

References