SUSE-SU-2026:21116-1 Security update for python-cryptography

This update for python-cryptography fixes the following issues: - CVE-2026-34073: Fixed X.509 bypass of name constraints on wildcard SANs with matching peer names. bsc1260876...

CVE-2026-34073

CVE-2026-34073 affects the Python cryptography package. Before 46.0.6, DNS name constraints were validated only against SANs in child certificates, not the peer name presented during validation, allowing a peer with a name like bar.example.com to validate against a wildcard certificate for *.exam...

CVE-2026-34073 cryptography has incomplete DNS name constraint enforcement on peer names

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to version 46.0.6, DNS name constraints were only validated against SANs within child certificates, and not the "peer name" presented during each validation. Consequently, cryptography...