CVE-2025-30195 – A crafted zone can lead to an illegal memory access in the PowerDNS Recursor

https://notcve.org/view.php?id=CVE-2025-30195

07 Apr 2025 — 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. • https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-01.html • CWE-476: NULL Pointer Dereference •