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.
2021-09-06T19:15:07.587
2025-06-09T16:15:33.000
Modified
CVSSv3.1: 5.9 (MEDIUM)
AV:N/AC:H/Au:N/C:P/I:N/A:N
4.9
2.9