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THREATINT
PUBLISHED

CVE-2025-30195

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



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.

Reserved 2025-03-18 | Published 2025-04-07 | Updated 2025-04-07 | Assigner OX


HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-476 NULL Pointer Dereference

Product status

Default status
unaffected

5.2.0
affected

Credits

Volodymyr Ilyin finder

References

docs.powerdns.com/...visories/powerdns-advisory-2025-01.html

cve.org (CVE-2025-30195)

nvd.nist.gov (CVE-2025-30195)

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