Mageia 8 - MGASA-2021-0446 Critical: Libgcrypt Plaintext Threat

The updated packages fix a security vulnerability:
The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP (CVE-2021-40528).