| Name | CVE-2025-30195 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns-recursor (PTS) | bullseye | 4.4.2-3 | fixed |
| bookworm, bookworm (security) | 4.8.8-1+deb12u1 | fixed |
| sid, trixie | 5.2.2-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - pdns-recursor <not-affected> (Vulnerable code not present)
[bullseye] - pdns-recursor <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2025/04/07/1
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-01.html