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CVE-2026-27138

MEDIUM CVSS: 5.9 Published: 2026-03-06 Modified: 2026-06-17

Description

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS.

Affected Platforms

Golang Go

Weakness Type

CWE-295

References