{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-001756.html",
  "dc:date": "2021-06-08T12:21+09:00",
  "dcterms:issued": "2021-06-08T12:21+09:00",
  "dcterms:modified": "2021-06-08T12:21+09:00",
  "description": "urllib3 contains a Regular expression Denial-of-Service (DoS) vulnerability.\r\n\r\nurllib3, an HTTP client module for Python, contains a Regular expression Denial-of-Service (ReDoS) vulnerability (CWE-400, CVE-2021-33503) due to catastrophic backtracking while processing a malicious URL.\r\n\r\nNariyoshi Chida of NTT Secure Platform Laboratories reported this vulnerability to urllib3 community and coordinated. JPCERT/CC published this advisory in order to notify users of this vulnerability.",
  "link": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-001756.html",
  "sec:cpe": {
    "#text": "cpe:/a:python:urllib3",
    "@product": "urllib3",
    "@vendor": "Python Software Foundation",
    "@version": "2.2"
  },
  "sec:cvss": [
    {
      "@score": "5.0",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
      "@version": "2.0"
    },
    {
      "@score": "5.3",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2021-001756",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU92413403/",
      "@id": "JVNVU#92413403",
      "@source": "JVN"
    },
    {
      "#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33503",
      "@id": "CVE-2021-33503",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-33503",
      "@id": "CVE-2021-33503",
      "@source": "NVD"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/400.html",
      "@id": "CWE-400",
      "@title": "Uncontrolled Resource Consumption (\u0027Resource Exhaustion\u0027)(CWE-400)"
    }
  ],
  "title": "urllib3 vulnerable to Regular expression Denial-of-Service (ReDoS)"
}