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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👁 33 Views

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

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
powerdns-recursor -- vulnerabilities
4 Apr 202600:00
freebsd
ATTACKERKB
CVE-2026-42390
25 Jun 202613:01
attackerkb
AlpineLinux
CVE-2026-42390
25 Jun 202613:01
alpinelinux
CVE
CVE-2026-42390
25 Jun 202613:01
cve
Debian
[SECURITY] [DSA 6369-1] pdns-recursor security update
25 Jun 202619:22
debian
Debian CVE
CVE-2026-42390
25 Jun 202613:01
debiancve
Tenable Nessus
Debian dsa-6369 : pdns-recursor - security update
26 Jun 202600:00
nessus
Tenable Nessus
Fedora 44 : pdns-recursor (2026-088b60c071)
3 Jul 202600:00
nessus
Tenable Nessus
FreeBSD : powerdns-recursor -- vulnerabilities (62c4ed54-73aa-11f1-910d-3c7c3fba4204)
29 Jun 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-42390
28 Jun 202600:00
nessus
Rows per page
[
  {
    "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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