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        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
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      "notes": [
        {
          "category": "description",
          "text": "In BIND 9.3.0 -> 9.11.35, 9.12.0 -> 9.16.21, and versions 9.9.3-S1 -> 9.11.35-S1 and 9.16.8-S1 -> 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response processing can cause degradation in BIND resolver performance. The way the lame cache is currently designed makes it possible for its internal data structures to grow almost infinitely, which may cause significant delays in client query processing.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2021-25219"
        },
        {
          "category": "external",
          "summary": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf",
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
        },
        {
          "category": "external",
          "summary": "https://kb.isc.org/v1/docs/cve-2021-25219",
          "url": "https://kb.isc.org/v1/docs/cve-2021-25219"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html",
          "url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EF4NAVRV4H3W4GA3LGGZYUKD3HSJBAVW/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EF4NAVRV4H3W4GA3LGGZYUKD3HSJBAVW/"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGV7SA27CTYLGFJSPUM3V36ZWK7WWDI4/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGV7SA27CTYLGFJSPUM3V36ZWK7WWDI4/"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTKC4E3HUOLYN5IA4EBL4VAQSWG2ZVTX/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTKC4E3HUOLYN5IA4EBL4VAQSWG2ZVTX/"
        },
        {
          "category": "external",
          "summary": "https://security.gentoo.org/glsa/202210-25",
          "url": "https://security.gentoo.org/glsa/202210-25"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20211118-0002/",
          "url": "https://security.netapp.com/advisory/ntap-20211118-0002/"
        },
        {
          "category": "external",
          "summary": "https://www.debian.org/security/2021/dsa-4994",
          "url": "https://www.debian.org/security/2021/dsa-4994"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpuapr2022.html",
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        }
      ],
      "release_date": "2021-10-27T21:15:00Z",
      "remediations": [
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          "details": "Affected",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}