CVE-2025-30195 – PowerDNS Recursor DNS Cache Poisoning Denial of Service

The following table lists the changes that have been made to the
CVE-2025-30195 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Apr. 07, 2025

    Action Type Old Value New Value
    Added Description An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of service.

    The remedy is: upgrade to the patched 5.2.1 version.

    We would like to thank Volodymyr Ilyin for bringing this issue to our attention.

    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-476
    Added Reference https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-01.html
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