Vulnerability Details CVE-2026-33259
Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.0%
CVSS Severity
CVSS v3 Score 5.0
References
Products affected by CVE-2026-33259
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cpe:2.3:a:powerdns:recursor:5.2.0
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cpe:2.3:a:powerdns:recursor:5.2.1
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cpe:2.3:a:powerdns:recursor:5.2.2
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cpe:2.3:a:powerdns:recursor:5.2.3
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cpe:2.3:a:powerdns:recursor:5.2.4
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cpe:2.3:a:powerdns:recursor:5.2.5
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cpe:2.3:a:powerdns:recursor:5.2.6
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cpe:2.3:a:powerdns:recursor:5.2.7
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cpe:2.3:a:powerdns:recursor:5.2.8
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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
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cpe:2.3:a:powerdns:recursor:5.3.5
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cpe:2.3:a:powerdns:recursor:5.4.0