CVE-2021-40530

Crypto++ ElGamal in versions up to 8.5 is vulnerable to a cross-configuration OpenPGP attack that can recover plaintext when the receiver’s key prime/generator interact with the sender’s ephemeral exponents during library interoperation. Impact: partial confidentiality loss. Mageia MGASA-2021-046...

CVE-2021-43398

Crypto++ (Cryptopp) versions 8.6.0 and earlier have a timing leakage in MakePublicKey(), with execution time correlated to private key length. This could enable timing-based information disclosure, though the vendor and third parties dispute the severity and attribute differences to an intentiona...