Skip to content
OpenAdvisories
Medium · 4.8 CVE-2026-91487 EUVD-2026-106732GHSA-5f2x-x4h6-xw49

Vulnerability in Oracle Java SE (component: Compiler). Supported versions that are affected are Oracle Java SE: 8u503-perf, 11.0.32.1, 17.0…

Published Oct 20, 2026 · Updated Oct 24, 2026 · Assigned by oracle

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).

Affected products

VendorProductAffectedFixed
Oracle Oracle Java SE 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27 —

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 14 openjdk-25 25.0.5+8-1 —
Debian 14 openjdk-27 No fix yet —
Debian 13 openjdk-21 21.0.13+9-1~deb13u2 —
Debian 13 openjdk-25 25.0.5+8-1~deb13u1 —
Debian 12 openjdk-17 17.0.21+9-1~deb12u1 —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 openjdk-17 17.0.21.0.3+1-1~26.10.1 USN-9014-1
Ubuntu 26.10 openjdk-21 21.0.13.0.3+1-1~26.10.1 USN-9015-1
Ubuntu 26.10 openjdk-25 25.0.5.0.3+1-1~26.10.1 USN-9004-1
Ubuntu 26.10 openjdk-27 27.0.1.0.3+1-1~26.10.1 USN-9005-1
Ubuntu 26.10 openjdk-8 +2 No fix yet —
Ubuntu 26.10 openjdk-lts 11.0.33+9-1ubuntu1~26.10.1 USN-9010-1
Ubuntu 26.04 LTS openjdk-17 17.0.21.0.3+1-1~26.04.1 USN-9014-1
Ubuntu 26.04 LTS openjdk-21 21.0.13.0.3+1-1~26.04.1 USN-9015-1
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 +2 No fix yet —
Ubuntu 26.04 LTS openjdk-lts 11.0.33+9-1ubuntu1~26.04.1 USN-9010-1
Ubuntu 24.04 LTS openjdk-17 17.0.21.0.3+1-1~24.04.1 USN-9014-1
Ubuntu 24.04 LTS openjdk-21 21.0.13.0.3+1-1~24.04.1 USN-9015-1
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 No fix yet —
Ubuntu 24.04 LTS openjdk-lts 11.0.33+9-1ubuntu1~24.04.1 USN-9010-1
Ubuntu 22.04 LTS openjdk-17 17.0.21.0.3+1-1~22.04.1 USN-9014-1
Ubuntu 22.04 LTS openjdk-21 21.0.13.0.3+1-1~22.04.1 USN-9015-1
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 +1 No fix yet —
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 17.0.21.0.3+1-1~20.04.1 USN-9014-1
Ubuntu Pro 20.04 LTS openjdk-21 21.0.13.0.3+1-1~20.04.1 USN-9015-1
Ubuntu Pro 20.04 LTS openjdk-8 No fix yet —
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 17.0.21.0.3+1-1~18.04.1 USN-9014-1
Ubuntu Pro 18.04 LTS openjdk-8 No fix yet —
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 No fix yet —

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 java-21-openjdk +22 1:21.0.13.0.9-1.2.el10.alma.1 ALSA-2026:90504
AlmaLinux 10 java-25-openjdk +25 1:25.0.5.0.8-1.0.el10.alma.1 ALSA-2026:88347
AlmaLinux 9 java-17-openjdk +22 1:17.0.21.0.9-2.2.el9.alma.1 ALSA-2026:90500
AlmaLinux 9 java-21-openjdk +22 1:21.0.13.0.9-1.2.el9.alma.1 ALSA-2026:88349
AlmaLinux 9 java-25-openjdk +25 1:25.0.5.0.8-1.0.el9.alma.1 ALSA-2026:88347
AlmaLinux 8 java-17-openjdk +22 1:17.0.21.0.9-2.1.el8 ALSA-2026:88352
AlmaLinux 8 java-21-openjdk 1:21.0.13.0.9-1.1.el8 ALSA-2026:88349

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 9 java-25-openjdk 1:25.0.5.0.8-1.0.el9_8 RLSA-2026:88347
Rocky Linux 8 java-17-openjdk 1:17.0.21.0.9-2.1.el8_10 RLSA-2026:88352
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed java-11-openjdk 11.0.33.0-1.1 openSUSE-SU-2026:12418-1
openSUSE Tumbleweed java-17-openjdk 17.0.21.0-1.1 openSUSE-SU-2026:12294-1
openSUSE Tumbleweed java-21-openj9 +1 21.0.13.0-1.1 openSUSE-SU-2026:12435-1, openSUSE-SU-2026:12328-1
openSUSE Tumbleweed java-25-openjdk 25.0.5.0-1.1 openSUSE-SU-2026:12329-1
ReleasePackageFixed inAdvisory
Alpine v3.24 openjdk21 21.0.13.0.3_p1-r0 —
Alpine v3.24 openjdk25 25.0.5.0.3_p1-r0 —
Alpine v3.23 openjdk21 21.0.13.0.3_p1-r0 —
Alpine v3.23 openjdk25 25.0.5.0.3_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

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 10 java-21-openjdk +22 1:21.0.13.0.9-1.2.0.1.el10 ELSA-2026-90504
Oracle Linux 9 java-17-openjdk +22 1:17.0.21.0.9-2.2.0.1.el9 ELSA-2026-90500

Advisories 29

References