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Vulnerability details: VCID-xa6z-cw1x-7qba
Vulnerability ID VCID-xa6z-cw1x-7qba
Aliases CVE-2026-33610
Summary A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.
Status Published
Exploitability 0.5
Weighted Severity 3.0
Risk 1.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00016 https://api.first.org/data/v1/epss?cve=CVE-2026-33610
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2026-33610
epss 0.0002 https://api.first.org/data/v1/epss?cve=CVE-2026-33610
cvssv3.1 5.9 https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html
ssvc Track https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-33610
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-33610
powerdns-advisory-powerdns-2026-05.html https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-22T14:25:29Z/ Found at https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.03551
EPSS Score 0.00016
Published At April 24, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-23T01:20:24.534351+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/33xxx/CVE-2026-33610.json 38.4.0