Powerdns Recursor
61 CVEs affecting Powerdns Recursor. Latest disclosed: 2026-06-25. Critical: 0, High: 18.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2020-10030 | High | 8.8 | 2020-05-19 | An issue has been found in PowerDNS Recursor 4.1.0 up to and including 4.3.0. It allows an attacker (with enough privileges to change the system's hostname) to… |
CVE-2025-59023 | High | 8.2 | 2026-02-09 | Crafted delegations or IP fragments can poison cached delegations in Recursor. |
CVE-2019-3806 | High | 8.1 | 2019-01-29 | An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some sp… |
CVE-2026-33612 | High | 7.5 | 2026-06-25 | A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning. |
CVE-2025-59030 | High | 7.5 | 2025-12-09 | An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP. |
CVE-2025-30192 | High | 7.5 | 2025-07-21 | An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries. The updated version… |
CVE-2025-30195 | High | 7.5 | 2025-04-07 | 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 a… |
CVE-2024-25590 | High | 7.5 | 2024-10-03 | An attacker can publish a zone containing specific Resource Record Sets. Repeatedly processing and caching results for these sets can lead to a denial of s… |
CVE-2024-25583 | High | 7.5 | 2024-04-25 | A crafted response from an upstream server the recursor has been configured to forward-recurse to can cause a Denial of Service in the Recursor. The default co… |
CVE-2023-50868 | High | 7.5 | 2024-02-14 | The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU… |
CVE-2023-50387 | High | 7.5 | 2024-02-14 | Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumpti… |
CVE-2023-22617 | High | 7.5 | 2023-01-21 | A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, be… |
CVE-2022-27227 | High | 7.5 | 2022-03-25 | In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x bef… |
CVE-2020-25829 | High | 7.5 | 2020-10-16 | An issue has been found in PowerDNS Recursor before 4.1.18, 4.2.x before 4.2.5, and 4.3.x before 4.3.5. A remote attacker can cause the cached records for a gi… |
CVE-2020-10995 | High | 7.5 | 2020-05-19 | PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found… |
CVE-2020-12244 | High | 7.5 | 2020-05-19 | An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly va… |
CVE-2018-16855 | High | 7.5 | 2018-12-03 | An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while co… |
CVE-2017-15120 | High | 7.5 | 2018-07-27 | An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a special… |
CVE-2025-59024 | Medium | 6.5 | 2026-02-09 | Crafted delegations or IP fragments can poison cached delegations in Recursor. |
CVE-2022-37428 | Medium | 6.5 | 2022-08-23 | PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a deni… |