CVE-2025-30195
A crafted zone can lead to an illegal memory access in the PowerDNS Recursor
Summary
A crafted zone can lead to an illegal memory access in the PowerDNS Recursor
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2025-30195 pdns-recursor Fixed in: 5.2.1-1
References
- advisory docs.powerdns.com
- advisory github.com
- advisory nvd.nist.gov
- package github.com
- web openwall.com
- web repo.powerdns.com