Cryptography vulnerable to NULL-dereference when loading PKCS7 certificates. (CVE-2023-49083) Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659. (CVE-2023-50782) Cryptography NULL pointer deference with pkcs12.serializekeyandcertificates when called with a non-matching certificate and private key and an hmachash override. (CVE-2024-26130)