CVE-2025-30195CWE-476

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

High · published April 7, 2025

CVSS v3.1
7.5
EPSS
1%
Percentile
55.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00776 · 55.3th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2025-04-07T13:24Z
EPSS history
Timeline
  • 07 APR 13:24Z
    A crafted zone can lead to an illegal memory access in the PowerDNS Recursor
    cvelistv5