powerdns Vulnerability Advisory Catalog

Total 102 security vulnerabilities recorded for powerdns software and firmware.

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Component: recursor

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches....

📅 2026-04-22
CVSS 5.3 Dossier →
Component: authoritative

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal we...

📅 2026-04-22
CVSS 5.3 Dossier →
Component: recursor

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal we...

📅 2026-04-22
CVSS 5.3 Dossier →
Component: dnsdist

An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custo...

📅 2026-03-31
CVSS 4.8 Dossier →
Component: dnsdist

An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSRespo...

📅 2026-03-31
CVSS 5.9 Dossier →
Component: dnsdist

An attacker might be able to trick DNSdist into allocating too much memory while processing DNS over QUIC or DNS over HTTP/3 payloads, resulting in a ...

📅 2026-03-31
CVSS 5.3 Dossier →
Component: dnsdist

When the early_acl_drop (earlyACLDrop in Lua) option is disabled (default is enabled) on a DNS over HTTPs frontend using the nghttp2 provider, the ACL...

📅 2026-03-31
CVSS 6.5 Dossier →
Component: dnsdist

An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to ...

📅 2026-03-31
CVSS 5.3 Dossier →
Component: dnsdist

When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visitin...

📅 2026-03-31
CVSS 3.1 Dossier →
Component: dnsdist

An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-bas...

📅 2026-03-31
CVSS 3.1 Dossier →
Component: recursor

Crafted zones can lead to increased incoming network traffic....

📅 2026-02-09
CVSS 5.3 Dossier →
CVE-2026-0398 MEDIUM
Component: recursor

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor....

📅 2026-02-09
CVSS 5.3 Dossier →
Component: recursor

Crafted delegations or IP fragments can poison cached delegations in Recursor....

📅 2026-02-09
CVSS 6.5 Dossier →
Component: recursor

Crafted delegations or IP fragments can poison cached delegations in Recursor....

📅 2026-02-09
CVSS 8.2 Dossier →
Component: recursor

An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP....

📅 2025-12-09
CVSS 7.5 Dossier →
Component: recursor

An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a qu...

📅 2025-12-09
CVSS 5.3 Dossier →
Component: recursor

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5,...

📅 2023-04-04
CVSS 3.4 Dossier →
Component: recursor

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 d...

📅 2023-01-21
CVSS 7.5 Dossier →
Component: recursor

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 ...

📅 2022-08-23
CVSS 6.5 Dossier →
Component: authoritative_server

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 ...

📅 2022-03-25
CVSS 7.5 Dossier →
Component: authoritative_server

PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-b...

📅 2021-07-30
CVSS 7.5 Dossier →
Component: recursor

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...

📅 2020-10-16
CVSS 7.5 Dossier →
CVE-2020-24698 CRITICAL
Component: authoritative

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might ...

📅 2020-10-02
CVSS 9.8 Dossier →
Component: authoritative

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can ca...

📅 2020-10-02
CVSS 7.5 Dossier →
Page 2 of 5 (102 Total Records)