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CVE-2026-11605 Unnecessary validation of DNSSEC signed records

🗓️ 22 Jul 2026 14:11:37Reported by iscType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

BIND validates all DNSSEC RRSIGs, causing CPU exhaustion when many superfluous signatures are returned.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ibm
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7 Aug 202606:30
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22 Jul 202614:11
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CVE-2026-11605 affecting package bind for versions less than 9.20.26-1
29 Jul 202620:30
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circl
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22 Jul 202616:47
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cve
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22 Jul 202614:11
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debian
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[SECURITY] [DLA 4725-1] bind9 security update
8 Aug 202621:55
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debian
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[SECURITY] [DSA 6395-1] bind9 security update
22 Jul 202621:59
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debiancve
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CVE-2026-11605
22 Jul 202614:11
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nessus
Tenable Nessus
Debian dsa-6395 : bind9 - security update
22 Jul 202600:00
nessus
Rows per page
[
  {
    "vendor": "ISC",
    "product": "BIND 9",
    "versions": [
      {
        "version": "9.20.0",
        "lessThanOrEqual": "9.20.24",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.21.0",
        "lessThanOrEqual": "9.21.23",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.20.9-S1",
        "lessThanOrEqual": "9.20.24-S1",
        "status": "affected",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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