{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-40346",
        "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": "An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.mail-archive.com/haproxy@formilux.org",
                "refsource": "MISC",
                "name": "https://www.mail-archive.com/haproxy@formilux.org"
            },
            {
                "url": "https://git.haproxy.org/?p=haproxy.git",
                "refsource": "MISC",
                "name": "https://git.haproxy.org/?p=haproxy.git"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4968",
                "url": "https://www.debian.org/security/2021/dsa-4968"
            },
            {
                "refsource": "MISC",
                "name": "https://www.mail-archive.com/haproxy@formilux.org/msg41114.html",
                "url": "https://www.mail-archive.com/haproxy@formilux.org/msg41114.html"
            },
            {
                "refsource": "MISC",
                "name": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/",
                "url": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95",
                "url": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95"
            },
            {
                "refsource": "MLIST",
                "name": "[cloudstack-dev] 20210910 CVE-2021-40346 (haproxy 2.x)",
                "url": "https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120@%3Cdev.cloudstack.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[cloudstack-dev] 20210910 Re: CVE-2021-40346 (haproxy 2.x)",
                "url": "https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a@%3Cdev.cloudstack.apache.org%3E"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-3493f9f6ab",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-cd5ee418f6",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/"
            }
        ]
    }
}