GO-2026-4866 Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509

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...

cryptography 信任管理问题漏洞

cryptography is a Python cryptographic authority open-source library. Versions of cryptography prior to 46.0.6 had a trust management vulnerability. This vulnerability stemmed from DNS name constraints verifying only the SAN within sub-certs, without verifying the peer names presented during each...