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OpenAdvisories
Medium · 6.5 CVE-2026-91411 EUVD-2026-106663GHSA-vhxj-84r5-67g5

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

Published Oct 20, 2026 · Updated Oct 23, 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: JGSS). 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. Difficult to exploit 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition as well as unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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:H/PR:N/UI:N/S:U/C:N/I:L/A:H).

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 21.0.13+9-1 —
Debian 13 openjdk-21 21.0.13+9-1~deb13u2 —
Debian 12 openjdk-17 17.0.21+9-1~deb12u1 —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 openjdk-17 +3 No fix yet —
Ubuntu 26.10 openjdk-25 25.0.5.0.3+1-1~26.10.1 USN-9004-1
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 +3 No fix yet —
Ubuntu 26.04 LTS openjdk-25 25.0.5.0.3+1-1~26.04.1 USN-9004-1
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 +1 No fix yet —
Ubuntu 24.04 LTS openjdk-25 25.0.5.0.3+1-1~24.04.1 USN-9004-1
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 +2 No fix yet —
Ubuntu 22.04 LTS openjdk-25 25.0.5.0.3+1-1~22.04.1 USN-9004-1
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
RHEL 9 java-1.8.0-openjdk +16 1:1.8.0.512.b09-1.2.el9 RHSA-2026:95613
RHEL 8 java-1.8.0-openjdk +19 1:1.8.0.512.b09-1.2.el8 RHSA-2026:95609
Show 12 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.8 EUS java-1.8.0-openjdk +16 1:1.8.0.512.b09-1.2.el9 RHSA-2026:95613
RHEL 9.6 EUS java-1.8.0-openjdk +16 1:1.8.0.512.b09-1.1.el9 RHSA-2026:95613
RHEL 9.4 E4S java-1.8.0-openjdk +6 1:1.8.0.512.b09-1.1.el9 RHSA-2026:95613
RHEL 9.2 E4S java-1.8.0-openjdk +6 1:1.8.0.512.b09-1.1.el9 RHSA-2026:95613
RHEL 8.8 TUS java-1.8.0-openjdk +7 1:1.8.0.512.b09-1.2.el8 RHSA-2026:95609
RHEL 8.8 E4S java-1.8.0-openjdk +7 1:1.8.0.512.b09-1.2.el8 RHSA-2026:95609
RHEL 8.6 EUS Long Life java-1.8.0-openjdk +7 1:1.8.0.512.b09-1.2.el8 RHSA-2026:95609
RHEL 8.6 AUS java-1.8.0-openjdk +7 1:1.8.0.512.b09-1.2.el8 RHSA-2026:95609
RHEL 8.4 EUS Long Life java-1.8.0-openjdk +7 1:1.8.0.512.b09-1.2.el8 RHSA-2026:95609
RHEL 8.4 AUS java-1.8.0-openjdk +7 1:1.8.0.512.b09-1.2.el8 RHSA-2026:95609
RHEL 7 ELS java-1.8.0-openjdk +7 1:1.8.0.512.b09-1.1.el7_9 RHSA-2026:95598
Red Hat Openjdk Els 11 java-11-openjdk +17 1:11.0.33.0.10-1.el7_9 RHSA-2026:94520
Red Hat Openjdk Els 11 java-11-openjdk-fastdebug +13 1:11.0.33.0.10-1.el8 RHSA-2026:94520

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 java-1.8.0-openjdk +19 1:1.8.0.512.b09-1.2.el8 ALSA-2026:95609

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 java-1.8.0-openjdk +19 1:1.8.0.512.b09-1.2.el8_10 RLSA-2026:95609
ReleasePackageFixed inAdvisory
Alpine v3.24 openjdk17 17.0.21.0.3_p1-r0 —
Alpine v3.23 openjdk17 17.0.21.0.3_p1-r0 —

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 19

References