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CVE-2026-42390 ZONEMD validation can be bypassed

🗓️ 25 Jun 2026 13:01:08Reported by OXType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

CVE-2026-42390 allows bypass of ZONEMD validation for invalid zones when ZoneToCache uses ZONEMD.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42390
25 Jun 202613:01
attackerkb
CVE
CVE-2026-42390
25 Jun 202613:01
cve
EUVD
EUVD-2026-39359
25 Jun 202613:01
euvd
NVD
CVE-2026-42390
25 Jun 202614:16
nvd
Vulnrichment
CVE-2026-42390 ZONEMD validation can be bypassed
25 Jun 202613:01
vulnrichment
[
  {
    "vendor": "PowerDNS",
    "product": "Recursor",
    "collectionURL": "https://repo.powerdns.com/",
    "packageName": "pdns-recursor",
    "repo": "https://github.com/PowerDNS/pdns",
    "modules": [
      "ZoneMD"
    ],
    "programFiles": [
      "zonemd.cc"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "5.4.0",
        "lessThan": "5.4.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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