{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2015-7940",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an \"invalid curve attack.\""
            }
        ]
    },
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                        "value": "n/a"
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        "reference_data": [
            {
                "name": "RHSA-2016:2035",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2016-2035.html"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
            },
            {
                "name": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
                "refsource": "CONFIRM",
                "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
            },
            {
                "name": "79091",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/79091"
            },
            {
                "name": "openSUSE-SU-2015:1911",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00012.html"
            },
            {
                "name": "FEDORA-2015-7d95466eda",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174915.html"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html"
            },
            {
                "name": "RHSA-2016:2036",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2016-2036.html"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
            },
            {
                "name": "USN-3727-1",
                "refsource": "UBUNTU",
                "url": "https://usn.ubuntu.com/3727-1/"
            },
            {
                "name": "[oss-security] 20151022 Re: CVE Request: invalid curve attack on bouncycastle",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2015/10/22/9"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html"
            },
            {
                "name": "1037036",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1037036"
            },
            {
                "name": "[oss-security] 20151022 CVE Request: invalid curve attack on bouncycastle",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2015/10/22/7"
            },
            {
                "name": "DSA-3417",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2015/dsa-3417"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"
            },
            {
                "name": "http://web-in-security.blogspot.ca/2015/09/practical-invalid-curve-attacks.html",
                "refsource": "MISC",
                "url": "http://web-in-security.blogspot.ca/2015/09/practical-invalid-curve-attacks.html"
            },
            {
                "name": "1037046",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1037046"
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            {
                "name": "1037053",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1037053"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpuapr2020.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpuapr2020.html"
            }
        ]
    }
}