{
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    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-3690",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400 - Uncontrolled Resource Consumption",
                        "cweId": "CWE-400"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "undertow",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fixed in 2.2.10.Final, 2.0.40.Final"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://issues.redhat.com/browse/UNDERTOW-1935",
                "refsource": "MISC",
                "name": "https://issues.redhat.com/browse/UNDERTOW-1935"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991299",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1991299"
            },
            {
                "url": "https://access.redhat.com/security/cve/CVE-2021-3690",
                "refsource": "MISC",
                "name": "https://access.redhat.com/security/cve/CVE-2021-3690"
            },
            {
                "url": "https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877",
                "refsource": "MISC",
                "name": "https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877"
            }
        ]
    }
}