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CVE-2026-42390

🗓️ 25 Jun 2026 13:01:08Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

CVE-2026-42390: An invalid zone may bypass ZONEMD validation when ZoneToCache validates ZONEMD.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42390
25 Jun 202613:01
attackerkb
Cvelist
CVE-2026-42390 ZONEMD validation can be bypassed
25 Jun 202613:01
cvelist
Debian CVE
CVE-2026-42390
25 Jun 202613:01
debiancve
EUVD
EUVD-2026-39359
25 Jun 202613:01
euvd
NVD
CVE-2026-42390
25 Jun 202614:16
nvd
Positive Technologies
PT-2026-52393
25 Jun 202600:00
ptsecurity
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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25 Jun 2026 15:59Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
SSVC
4