| Package | Affected versions | Patched versions |
|---|---|---|
| stdlib | ≥ 1.26.0-0, < 1.26.2 | 1.26.2 |
| go | ≥ 1.26.0, < 1.26.2 | 1.26.2 |
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.
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