{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-40528",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "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."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://eprint.iacr.org/2021/923",
                "refsource": "MISC",
                "name": "https://eprint.iacr.org/2021/923"
            },
            {
                "url": "https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1",
                "refsource": "MISC",
                "name": "https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1"
            },
            {
                "url": "https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2",
                "refsource": "MISC",
                "name": "https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2"
            },
            {
                "refsource": "MISC",
                "name": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=3462280f2e23e16adf3ed5176e0f2413d8861320",
                "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=3462280f2e23e16adf3ed5176e0f2413d8861320"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202210-13",
                "url": "https://security.gentoo.org/glsa/202210-13"
            }
        ]
    }
}