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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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          "title": "Vulnerability description"
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          "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"
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          "category": "no_fix_planned",
          "date": "2026-09-08T14:05:52.694026Z",
          "details": "Impact is limited to resolver availability: the flaw causes excessive NSEC3 hashing when consulting the DS negative cache, briefly holding a cache lock and slowing/stalling lookups, with no confidentiality or integrity effect. Exploitation requires an attacker who controls a DNSSEC‑signed zone and can induce queries to it, and the impact is confined to the Unbound recursive resolver process rather than other services or hosts. Given these preconditions and the DoS‑only outcome, systems running Unbound can reasonably deprioritize this issue in enterprise VM/server environments.",
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      ],
      "scores": [
        {
          "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"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}