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CVE-2026-33256

🗓️ 22 Apr 2026 09:37:32Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

CVE-2026-33256 enables unbounded memory allocation by a web request in the internal web server, causing denial of service.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33256
22 Apr 202609:37
attackerkb
AlpineLinux
CVE-2026-33256
22 Apr 202609:37
alpinelinux
Circl
CVE-2026-33256
22 Apr 202612:22
circl
CNNVD
PowerDNS Recursor(pdns_recursor) 安全漏洞
22 Apr 202600:00
cnnvd
Cvelist
CVE-2026-33256 Unbounded memory allocation by internal web server
22 Apr 202609:37
cvelist
Debian CVE
CVE-2026-33256
22 Apr 202609:37
debiancve
EUVD
EUVD-2026-24719
22 Apr 202612:30
euvd
NVD
CVE-2026-33256
22 Apr 202610:16
nvd
OSV
DEBIAN-CVE-2026-33256
22 Apr 202610:16
osv
OSV
UBUNTU-CVE-2026-33256
22 Apr 202610:16
osv
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": [
      "webserver"
    ],
    "programFiles": [
      "web.rs"
    ],
    "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 17:04Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3 - 7.5
EPSS0.00002
SSVC
3