Vulnerability Details CVE-2026-33610
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.6%
CVSS Severity
CVSS v3 Score 5.9
References
Products affected by CVE-2026-33610
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cpe:2.3:a:powerdns:authoritative:4.9.0
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cpe:2.3:a:powerdns:authoritative:4.9.1
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cpe:2.3:a:powerdns:authoritative:4.9.10
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cpe:2.3:a:powerdns:authoritative:4.9.11
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cpe:2.3:a:powerdns:authoritative:4.9.12
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cpe:2.3:a:powerdns:authoritative:4.9.13
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cpe:2.3:a:powerdns:authoritative:4.9.2
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cpe:2.3:a:powerdns:authoritative:4.9.3
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cpe:2.3:a:powerdns:authoritative:4.9.4
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cpe:2.3:a:powerdns:authoritative:4.9.5
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cpe:2.3:a:powerdns:authoritative:4.9.6
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cpe:2.3:a:powerdns:authoritative:4.9.7
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cpe:2.3:a:powerdns:authoritative:4.9.8
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cpe:2.3:a:powerdns:authoritative:4.9.9
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cpe:2.3:a:powerdns:authoritative:5.0.0
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cpe:2.3:a:powerdns:authoritative:5.0.1
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cpe:2.3:a:powerdns:authoritative:5.0.2
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cpe:2.3:a:powerdns:authoritative:5.0.3