CVE-2025-30195highCWE-476

CVE-2025-30195: high-severity vulnerability in PowerDNS Recursor

A crafted zone can lead to an illegal memory access in the PowerDNS Recursor

Published

Follow this CVE+ Monitor Recursor+ Monitor pdns-recursor

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.8%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
PowerDNS · Recursor
Related CVEs — PowerDNS Recursor

In the same product, most dangerous first.

CVE-2024-25583HIGHCrafted responses can lead to a denial of service in Recursor if recursive forwarding is configuredEPSS 0.8%CVE-2024-25590HIGHCrafted responses can lead to a denial of service due to cache inefficiencies in the RecursorEPSS 0.7%CVE-2025-59030HIGHInsufficient validation of incoming notifies over TCP can lead to a denial of service in RecursorEPSS 0.6%CVE-2026-33256MEDIUMUnbounded memory allocation by internal web serverEPSS 0.6%CVE-2023-26437LOWDeterred spoofing attempts can lead to authoritative servers being marked unavailableEPSS 0.6%CVE-2026-33258MEDIUMCrafted zones can cause increased resource usageEPSS 0.6%