{
    "CVE_data_meta": {
        "ASSIGNER": "cve-assign@fb.com",
        "DATE_ASSIGNED": "2019-12-02",
        "ID": "CVE-2019-11940",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Proxygen",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "!=>",
                                            "version_value": "v2017.04.03.00"
                                        },
                                        {
                                            "version_affected": ">=",
                                            "version_value": "v0.29.0"
                                        },
                                        {
                                            "version_affected": "!<",
                                            "version_value": "v0.29.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Facebook"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Use After Free (CWE-416)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f",
                "url": "https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.facebook.com/security/advisories/cve-2019-11940",
                "url": "https://www.facebook.com/security/advisories/cve-2019-11940"
             }
        ]
    }
}