{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-4306",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-4306",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2023-01-07T16:29:08.062Z",
    "updatedAt": "2024-08-03T17:23:10.279Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "cronvel terminal-kit redos",
      "summary": "A vulnerability classified as problematic has been found in cronvel terminal-kit up to 2.1.7. Affected is an unknown function. The manipulation leads to inefficient regular expression complexity. Upgrading to version 2.1.8 is able to address this issue. The name of the patch is a2e446cc3927b559d0281683feb9b821e83b758c. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217620.",
      "affected": [
        {
          "vendor": "cronvel",
          "product": "terminal-kit",
          "versions": [
            {
              "version": "2.1.0",
              "status": "affected"
            },
            {
              "version": "2.1.1",
              "status": "affected"
            },
            {
              "version": "2.1.2",
              "status": "affected"
            },
            {
              "version": "2.1.3",
              "status": "affected"
            },
            {
              "version": "2.1.4",
              "status": "affected"
            },
            {
              "version": "2.1.5",
              "status": "affected"
            },
            {
              "version": "2.1.6",
              "status": "affected"
            },
            {
              "version": "2.1.7",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}