{
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    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-28320",
        "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "assignerShortName": "hackerone",
        "dateUpdated": "2024-08-02T12:38:24.752Z",
        "dateReserved": "2023-03-14T00:00:00",
        "datePublished": "2023-05-26T00:00:00"
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                "dateUpdated": "2023-10-11T10:06:23.211995"
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                    "lang": "en",
                    "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."
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            "affected": [
                {
                    "vendor": "n/a",
                    "product": "https://github.com/curl/curl",
                    "versions": [
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                            "version": "Fixed in 8.1.0",
                            "status": "affected"
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                    "url": "https://hackerone.com/reports/1929597"
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "Denial of Service (CWE-400)",
                            "cweId": "CWE-400"
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                    "shortName": "CVE",
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                },
                "title": "CVE Program Container",
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                    {
                        "url": "https://hackerone.com/reports/1929597",
                        "tags": [
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