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CVE-2026-81642 Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY

🗓️ 16 Sep 2026 08:30:58Reported by NLnet LabsType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Heap buffer overflow in NLnet Labs Unbound 1.26.0 DNSSEC validator enables DoS or RCE via DNSKEY.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-81642
16 Sep 202609:00
circl
cve
CVE
CVE-2026-81642
16 Sep 202608:30
cve
euvd
EUVD
EUVD-2026-80291
16 Sep 202608:30
euvd
nvd
NVD
CVE-2026-81642
16 Sep 202609:17
nvd
[
  {
    "vendor": "NLnet Labs",
    "product": "Unbound",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThan": "1.26.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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