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CVE-2026-33610 Possible file descriptor exhaustion in forward-dnsupdate

🗓️ 22 Apr 2026 14:00:51Reported by OXType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

CVE-2026-33610: Rogue primary server exhausts file descriptors on PowerDNS secondary during forwarded updates, causing DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
PowerDNS -- vulnerabilities
16 Feb 202600:00
freebsd
ATTACKERKB
CVE-2026-33610
22 Apr 202614:00
attackerkb
AlpineLinux
CVE-2026-33610
22 Apr 202614:00
alpinelinux
CNNVD
PowerDNS Authoritative 资源管理错误漏洞
22 Apr 202600:00
cnnvd
CVE
CVE-2026-33610
22 Apr 202614:00
cve
Debian
[SECURITY] [DSA 6233-1] pdns security update
28 Apr 202619:02
debian
Debian CVE
CVE-2026-33610
22 Apr 202614:00
debiancve
Tenable Nessus
Debian dsa-6233 : pdns-backend-bind - security update
29 Apr 202600:00
nessus
Tenable Nessus
Fedora 43 : pdns (2026-b47d3e7e16)
7 May 202600:00
nessus
Tenable Nessus
Fedora 42 : pdns (2026-edc32576bb)
7 May 202600:00
nessus
Rows per page
[
  {
    "vendor": "PowerDNS",
    "product": "Authoritative",
    "collectionURL": "https://repo.powerdns.com/",
    "packageName": "pdns",
    "repo": "https://github.com/PowerDNS/pdns",
    "modules": [
      "DNS updates forwarding"
    ],
    "programFiles": [
      "rfc2136handler.cc"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "5.0.0",
        "lessThan": "5.0.4",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.9.0",
        "lessThan": "4.9.14",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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