CVE-2026-33610
Medium
Description
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.
SeverityMedium
CVSS5.9
Exploit probability—
ProductPowerdns Authoritative
PublishedApr 22, 2026
First seenApr 22, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- powerdns authoritative4.9.14, 5.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns authoritative | 4.9.0 ≤ v < 4.9.14, 5.0.0 ≤ v < 5.0.4 | 4.9.14, 5.0.4 |
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