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.
Published Apr 22, 2026 · updated Jun 17, 2026 · powerdns recursor
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.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 22, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Affected
- cpe powerdns/recursorversion unspecified
- cpe powerdns/recursor5.4.0
Sources
- CVE.orgVulnerability recordCVE-2026-33259
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov