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CVE-2026-19941 checkwildcard() accepts an out-of-zone NSEC as a wildcard-nonexistence proof

🗓️ 16 Sep 2026 13:52:49Reported by iscType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

BIND 9 checkwildcard() accepts out-of-zone NSEC as wildcard-nonexistence proof.

Related
Affected
Refs
[
  {
    "vendor": "ISC",
    "product": "BIND 9",
    "versions": [
      {
        "version": "9.11.0",
        "lessThanOrEqual": "9.18.50",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.20.0",
        "lessThanOrEqual": "9.20.27",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.21.0",
        "lessThanOrEqual": "9.21.25",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.11.3-S1",
        "lessThanOrEqual": "9.18.50-S1",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.20.9-S1",
        "lessThanOrEqual": "9.20.27-S1",
        "status": "affected",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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16 Sep 2026 13:52Current
CVSS 3.15.9
EPSS0.00226
SSVC
39