{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2019-3859",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "The libssh2 Project",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "libssh2",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "1.8.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-125"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20190318 [SECURITY ADVISORIES] libssh2",
                "url": "http://www.openwall.com/lists/oss-security/2019/03/18/3"
            },
            {
                "refsource": "BUGTRAQ",
                "name": "20190319 [slackware-security] libssh2 (SSA:2019-077-01)",
                "url": "https://seclists.org/bugtraq/2019/Mar/25"
            },
            {
                "url": "https://www.libssh2.org/CVE-2019-3859.html",
                "refsource": "MISC",
                "name": "https://www.libssh2.org/CVE-2019-3859.html"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859",
                "refsource": "CONFIRM"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html",
                "url": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html"
            },
            {
                "refsource": "BID",
                "name": "107485",
                "url": "http://www.securityfocus.com/bid/107485"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-f31c14682f",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767",
                "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20190327-0005/",
                "url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:1075",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20190402 [SECURITY] [DLA 1730-2] libssh2 regression update",
                "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:1109",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-3348cb4934",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4431",
                "url": "https://www.debian.org/security/2019/dsa-4431"
            },
            {
                "refsource": "BUGTRAQ",
                "name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
                "url": "https://seclists.org/bugtraq/2019/Apr/25"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:1290",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:1291",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20190725 [SECURITY] [DLA 1730-3] libssh2 regression update",
                "url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html"
            },
            {
                "url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory."
            }
        ]
    },
    "impact": {
        "cvss": [
            [
                {
                    "vectorString": "5.0/CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "version": "3.0"
                }
            ]
        ]
    }
}