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HIGH · 8.2

CVE-2025-59023

Crafted delegations or IP fragments can poison cached delegations in Recursor.

Vulnerability Description

Crafted delegations or IP fragments can poison cached delegations in Recursor.

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW

Affected Products

VendorProductVersions
PowerdnsRecursor>= 5.1.0, < 5.1.8

Related Weaknesses (CWE)

CWE-294

References

FAQ

What is CVE-2025-59023?

CVE-2025-59023 is a vulnerability with a CVSS score of 8.2 (HIGH). Crafted delegations or IP fragments can poison cached delegations in Recursor.

How severe is CVE-2025-59023?

CVE-2025-59023 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-59023?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Recursor.