{
    "CVE_data_meta": {
        "ASSIGNER": "cve-assign@fb.com",
        "DATE_ASSIGNED": "2018-12-18",
        "ID": "CVE-2018-6340",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "HHVM",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "!=>",
                                            "version_value": "3.30.1"
                                        },
                                        {
                                            "version_affected": ">=",
                                            "version_value": "3.30.0"
                                        },
                                        {
                                            "version_affected": "!=>",
                                            "version_value": "3.27.5"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_value": "3.27.5"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Facebook"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below)."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Out-of-bounds Read (CWE-125)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html",
                "refsource": "MISC",
                "url": "https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html"
            },
            {
                "name": "https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3",
                "refsource": "MISC",
                "url": "https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3"
            }
        ]
    }
}