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CVE-2026-33601

🗓️ 22 Apr 2026 09:37:03Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

CVE-2026-33601 enables denial of service via null pointer dereference from poor zonemd validation in zoneToCache.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33601
22 Apr 202609:37
attackerkb
AlpineLinux
CVE-2026-33601
22 Apr 202609:37
alpinelinux
Circl
CVE-2026-33601
22 Apr 202612:31
circl
CNNVD
PowerDNS Recursor(pdns_recursor) 代码问题漏洞
22 Apr 202600:00
cnnvd
Cvelist
CVE-2026-33601 Insufficient validation of zonemd record
22 Apr 202609:37
cvelist
Debian
[SECURITY] [DSA 6234-1] pdns-recursor security update
28 Apr 202619:03
debian
Debian CVE
CVE-2026-33601
22 Apr 202609:37
debiancve
Tenable Nessus
Debian dsa-6234 : pdns-recursor - security update
29 Apr 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-33601
23 Apr 202600:00
nessus
EUVD
EUVD-2026-24733
22 Apr 202612:30
euvd
Rows per page
NVD
Node
powerdnsrecursorRange5.2.05.2.9
OR
powerdnsrecursorRange5.3.05.3.6
OR
[
  {
    "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": "5.4.1",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.3.0",
        "lessThan": "5.3.6",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.2.0",
        "lessThan": "5.2.9",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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27 Apr 2026 16:58Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.4 - 4.9
EPSS0.00002
SSVC
4