{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-18277",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the \"chunked\" value were not being correctly rejected. The impact was limited but if combined with the \"http-reuse always\" setting, it could be used to help construct an HTTP request smuggling attack against a vulnerable component employing a lenient parser that would ignore the content-length header as soon as it saw a transfer-encoding one (even if not entirely valid according to the specification)."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.mail-archive.com/haproxy@formilux.org/msg34926.html",
                "refsource": "MISC",
                "name": "https://www.mail-archive.com/haproxy@formilux.org/msg34926.html"
            },
            {
                "url": "https://nathandavison.com/blog/haproxy-http-request-smuggling",
                "refsource": "MISC",
                "name": "https://nathandavison.com/blog/haproxy-http-request-smuggling"
            },
            {
                "url": "https://git.haproxy.org/?p=haproxy-2.0.git;a=commit;h=196a7df44d8129d1adc795da020b722614d6a581",
                "refsource": "MISC",
                "name": "https://git.haproxy.org/?p=haproxy-2.0.git;a=commit;h=196a7df44d8129d1adc795da020b722614d6a581"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4174-1",
                "url": "https://usn.ubuntu.com/4174-1/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:2626",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00016.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:2645",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00019.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20220530 [SECURITY] [DLA 3034-1] haproxy security update",
                "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html"
            }
        ]
    }
}