Vulnerability Details CVE-2026-33602
A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 49.4%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-33602
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cpe:2.3:a:powerdns:dnsdist:1.9.0
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cpe:2.3:a:powerdns:dnsdist:1.9.1
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cpe:2.3:a:powerdns:dnsdist:1.9.10
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cpe:2.3:a:powerdns:dnsdist:1.9.11
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cpe:2.3:a:powerdns:dnsdist:1.9.12
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cpe:2.3:a:powerdns:dnsdist:1.9.2
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cpe:2.3:a:powerdns:dnsdist:1.9.3
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cpe:2.3:a:powerdns:dnsdist:1.9.4
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cpe:2.3:a:powerdns:dnsdist:1.9.5
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cpe:2.3:a:powerdns:dnsdist:1.9.6
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cpe:2.3:a:powerdns:dnsdist:1.9.7
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cpe:2.3:a:powerdns:dnsdist:1.9.8
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cpe:2.3:a:powerdns:dnsdist:1.9.9
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cpe:2.3:a:powerdns:dnsdist:2.0.0
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cpe:2.3:a:powerdns:dnsdist:2.0.1
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cpe:2.3:a:powerdns:dnsdist:2.0.2
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cpe:2.3:a:powerdns:dnsdist:2.0.3