Low3.7Red Hat Linux

Low [CVE-2026-27138] Panic in name constraint checking for malformed certificates in crypto/x509

This low-severity Red Hat Linux advisory covers CVE-2026-27138 affecting golang1, Red Hat Enterprise Linux.

CVE-2026-27138 Published Mar 6, 2026

CVE-2026-27138

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Panic in name constraint checking for malformed certificates in crypto/x509. Red Hat rates this low (CVSS 3.7).

Weakness: CWE-295. Affected package(s): golang1.

Resolved in Red Hat advisory RHSA-2026:7291 — update the affected packages (`sudo dnf update`).

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

Affected versions

golang1-26-main-1.26.2-1.hum1

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

Fixed versions

RHSA-2026:7291

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-2026:7291 (`sudo dnf update` / `yum update`).

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

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