- Fixed a NULL pointer deref in the X509_issuer_and_serial_hash() function (CVE-2021-23841) - Fixed the RSA_padding_check_SSLv23() function and the RSA_SSLV23_PADDING padding mode to correctly check for rollback attacks - Fixed an overflow in the EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate functions (CVE-2021-23840) - Fixed SRP_Calc_client_key so that it runs in constant time