Medium4.9Red Hat Linux

Medium [CVE-2026-34267] Optimizer unspecified vulnerability (CPU Apr 2026)

This medium-severity Red Hat Linux advisory covers CVE-2026-34267 affecting Red Hat Enterprise Linux 9, mysql:8.0.

CVE-2026-34267 Published Apr 21, 2026

CVE-2026-34267

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Optimizer unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 4.9).

Weakness: CWE-770. Affected package(s): mysql, mysql:8.0.

Resolved in Red Hat advisory RHSA-2026:25919 — update the affected packages (`sudo dnf update`).

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

Affected versions

mysql-0:8.0.46-1.el9_8
mysql:8.0-8100020260609092222.489197e6

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

Fixed versions

RHSA-2026:25919

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-2026:25919 (`sudo dnf update` / `yum update`).

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

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