CVE-2026-33810

ADVISORY - nist

Summary

When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.

EPSS Score⁠: 0.00262 (0.173)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-295⁠

Improper Certificate Validation

Impacted images

Advisories

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