The vulnerabilities of the functions EllipticCurvePublicNumbers.public_key(), EllipticCurvePublicNumbers.public_key(), load_der_public_key(), and load_pem_public_key() in the Python-cryptography cryptographic library allow a perpetrator to gain access to confidential data.

The vulnerabilities of the functions EllipticCurvePublicNumbers.publickey, EllipticCurvePublicNumbers.publickey, loadderpublickey, and loadpempublickey in the Python-cryptography cryptographic library are related to insufficient validation of data authenticity. Exploiting these vulnerabilities...