CVE-2026-33610
Possible file descriptor exhaustion in forward-dnsupdate
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | powerdns |
| Product | authoritative |
| Published | Apr 22, 2026 |
| Last Updated | Apr 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
PowerDNS / Authoritative
5.0.0 < 5.0.4 4.9.0 < 4.9.14
References
Credits
ylwango613