Vulnerability Details CVE-2026-0398
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 22.6%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-0398
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cpe:2.3:a:powerdns:recursor:*
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cpe:2.3:a:powerdns:recursor:5.1.0
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cpe:2.3:a:powerdns:recursor:5.1.1
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cpe:2.3:a:powerdns:recursor:5.1.2
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cpe:2.3:a:powerdns:recursor:5.1.3
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cpe:2.3:a:powerdns:recursor:5.1.4
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cpe:2.3:a:powerdns:recursor:5.1.5
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cpe:2.3:a:powerdns:recursor:5.1.6
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cpe:2.3:a:powerdns:recursor:5.1.7
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cpe:2.3:a:powerdns:recursor:5.1.8
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cpe:2.3:a:powerdns:recursor:5.1.9
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cpe:2.3:a:powerdns:recursor:5.3.0
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cpe:2.3:a:powerdns:recursor:5.3.1
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cpe:2.3:a:powerdns:recursor:5.3.2
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cpe:2.3:a:powerdns:recursor:5.3.3
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cpe:2.3:a:powerdns:recursor:5.3.4