PT-2026-34447 · Powerdns · Powerdns+1

Ylwango613 · Published 2026-04-22 · Updated 2026-04-23 · CVE-2026-33610

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions PowerDNS (affected versions not specified)

Description A rogue primary server can cause file descriptor exhaustion, leading to a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2026-33610

Affected Products

Powerdns

Powerdns Authoritative Server

References · 10

• https://cve.org/CVERecord?id=CVE-2026-33610 · Security Note
• https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-33610 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-33610 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-33610 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-33610 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33610 · Security Note
• https://twitter.com/CVEnew/status/2046979932123767158 · Twitter Post
• https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html#possible-file-descriptor-exhaustion-in-forward-dnsupdate · Note
• https://twitter.com/VulmonFeeds/status/2046984029346406483 · Twitter Post