{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2023-28320",
        "ASSIGNER": "support@hackerone.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "https://github.com/curl/curl",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Fixed in 8.1.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Denial of Service (CWE-400)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://hackerone.com/reports/1929597",
                "url": "https://hackerone.com/reports/1929597"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20230609-0009/",
                "url": "https://security.netapp.com/advisory/ntap-20230609-0009/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT213843",
                "url": "https://support.apple.com/kb/HT213843"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT213844",
                "url": "https://support.apple.com/kb/HT213844"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT213845",
                "url": "https://support.apple.com/kb/HT213845"
            },
            {
                "refsource": "FULLDISC",
                "name": "20230725 APPLE-SA-2023-07-24-6 macOS Big Sur 11.7.9",
                "url": "http://seclists.org/fulldisclosure/2023/Jul/52"
            },
            {
                "refsource": "FULLDISC",
                "name": "20230725 APPLE-SA-2023-07-24-5 macOS Monterey 12.6.8",
                "url": "http://seclists.org/fulldisclosure/2023/Jul/48"
            },
            {
                "refsource": "FULLDISC",
                "name": "20230725 APPLE-SA-2023-07-24-4 macOS Ventura 13.5",
                "url": "http://seclists.org/fulldisclosure/2023/Jul/47"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202310-12",
                "url": "https://security.gentoo.org/glsa/202310-12"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A denial of service vulnerability exists in curl <v8.1.0 in the way libcurl provides several different backends for resolving host names, selected at build time. If it is built to use the synchronous resolver, it allows name resolves to time-out slow operations using `alarm()` and `siglongjmp()`. When doing this, libcurl used a global buffer that was not mutex protected and a multi-threaded application might therefore crash or otherwise misbehave."
            }
        ]
    }
}