High7.4Red Hat Linux

High [CVE-2026-21932] Enhance Handling of URIs (Oracle CPU 2026-01)

This high-severity Red Hat Linux advisory covers CVE-2026-21932 affecting Red Hat Build of OpenJDK 17.0.18, Red Hat Build of OpenJDK 21.0.10, Red Hat Build of OpenJDK 8u482.

CVE-2026-21932 Published Jan 20, 2026

CVE-2026-21932

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Enhance Handling of URIs (Oracle CPU 2026-01). Red Hat rates this important (CVSS 7.4).

Weakness: CWE-1287. Affected package(s): java.

Resolved in Red Hat advisory RHSA-2026:0896 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Build of OpenJDK 17.0.18; Red Hat Build of OpenJDK 21.0.10; Red Hat Build of OpenJDK 8u482.

Affected versions

java-25-openjdk-windows
java-1.8.0-openjdk-windows
java-11-openjdk-windows
java-17-openjdk-windows
java-21-openjdk-windows

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:0896

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:0896 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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