Low3.7Red Hat Linux

Low [CVE-2026-22008] Improved Arena allocations (Oracle CPU 2026-04)

This low-severity Red Hat Linux advisory covers CVE-2026-22008 affecting Red Hat Enterprise Linux 1, Red Hat Enterprise Linux 9, java.

CVE-2026-22008 Published Apr 21, 2026

CVE-2026-22008

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Improved Arena allocations (Oracle CPU 2026-04). Red Hat rates this low (CVSS 3.7).

Weakness: CWE-122. Affected package(s): java.

Resolved in Red Hat advisory RHSA-2026:9694 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.

Affected versions

java-25-openjdk-main-25.0.2.0.10-5.1.hum1
java-25-openjdk-portable
java-25-openjdk-1:25.0.3.0.9-1.el10_2
java-25-openjdk-windows
java-25-openjdk-1:25.0.3.0.9-1.el9
java-25-openjdk-portable-main-25.0.2.0.10-2.1.hum1

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

Fixed versions

RHSA-2026:9694

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-2026:9694 (`sudo dnf update` / `yum update`).

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

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