CVE-2025-59024 - CVE House
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Status published Medium CVE-2025-59024

Crafted delegations or IP fragments can poison cached delegations in Recursor

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Yuxiao Wu from Tsinghua University
  • Yunyi Zhang from Tsinghua University
  • Baojun Liu from Tsinghua University
  • Haixin Duan from Tsinghua University
  • Shiming Liu from Network and Information Security Lab, Tsinghua University

References

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CVE-2025-59030
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CVE-2025-59029
Internal logic flaw in cache management can lead to a denial of service in PowerDNS Recursor
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CVE-2025-59023
Crafted delegations or IP fragments can poison cached delegations in Recursor
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CVE-2025-30195
A crafted zone can lead to an illegal memory access in the PowerDNS Recursor
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CVE-2025-30194
Denial of service via crafted DoH exchange
High 7.5

Affected Vendor

Affected Software

Recursor
Vulnerable Versions:
5.3.0, 5.2.0, 5.1.0

Timeline

Official Publish: February 9th, 2026
Last Modified: February 9th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.