{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-20840",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
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                                "version": {
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                                            "version_value": "n/a"
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                    "vendor_name": "n/a"
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    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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    "references": {
        "reference_data": [
            {
                "url": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13",
                "refsource": "MISC",
                "name": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13"
            },
            {
                "url": "https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76",
                "refsource": "MISC",
                "name": "https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-1a4b1c8271",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0988",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1025",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"
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                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1056",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4434-1",
                "url": "https://usn.ubuntu.com/4434-1/"
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            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"
            }
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    }
}