CVE-2026-52686

A flaw was found in pdns-recursor. This vulnerability allows a remote attacker to bypass DNSSEC Domain Name System Security Extensions validation. The flaw occurs because the system accepts wildcard expansion proofs NSEC/NSEC3 records without proper signature validation when the wildcard answer i...

The vulnerability of the PowerDNS Recursor DNS server, related to errors in the use of standard permissions, allows a hacker to trigger a service failure.

The vulnerability of the PowerDNS Recursor DNS server is related to errors in the use of standard permissions. Exploiting this vulnerability can allow a malicious actor to increase their privileges remotely...

[SECURITY] Fedora 43 Update: pdns-recursor-5.2.11-1.fc43

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

[SECURITY] Fedora 44 Update: pdns-recursor-5.4.3-1.fc44

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

FreeBSD : powerdns-recursor -- vulnerabilities (62c4ed54-73aa-11f1-910d-3c7c3fba4204)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 62c4ed54-73aa-11f1-910d-3c7c3fba4204 advisory. PowerDNS Team reports: Thanks to people below for reporting these vulnerabilities. Tenable has...

Debian dsa-6369 : pdns-recursor - security update

The remote Debian 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6369 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6369-1 [email protected] https://www.debian.org/securit...

[SECURITY] [DSA 6369-1] pdns-recursor security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6369-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 25, 2026 https://www.debian.org/security/faq -...

[SECURITY] Fedora 44 Update: pdns-recursor-5.4.0-1.fc44

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

PowerDNS Recursor（pdns_recursor） 代码问题漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a code vulnerability in PowerDNS Recursor. This vulnerability arises from the use of the zoneToCache function, where attackers can send zones that result in null pointer...

PowerDNS Recursor（pdns_recursor） 资源管理错误漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. PowerDNS Recursor has a resource management vulnerability; this vulnerability arises from multiple concurrent transmissions within the same RPZ, which can lead to inconsistent RPZ data, reus...

PowerDNS Recursor 代码问题漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a code vulnerability in PowerDNS Recursor, which arises from RPZ requests sent by malicious authoritative servers. This vulnerability may lead to null pointer dereferencing due to a...

PowerDNS Recursor 安全漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a security vulnerability in PowerDNS Recursor, which can trigger internal inconsistencies due to the region conversion from NSEC to NSEC3, resulting in a denial-of-service attack...

PowerDNS Recursor（pdns_recursor） 代码问题漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a code vulnerability in PowerDNS Recursor, which stems from the ability for attackers to send responses that lead to null pointer dereferencing. Due to lack of consistency checks,...

PowerDNS Recursor（pdns_recursor） 安全漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a security vulnerability in PowerDNS Recursor pdnsrecursor, which stems from the ability of attackers to send web requests, leading to unlimited memory allocation on internal web...

PowerDNS Recursor（pdns_recursor） 安全漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a security vulnerability in PowerDNS Recursor, which stems from the ability of attackers to publish and query specially crafted zones, resulting in the allocation of large entries i...

[SECURITY] Fedora 43 Update: pdns-recursor-5.2.8-1.fc43

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

[SECURITY] Fedora 42 Update: pdns-recursor-5.2.8-1.fc42

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

FreeBSD : powerdns-recursor -- Denial of Service (67793feb-0b5b-11f1-a1c0-0050569f0b83)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 67793feb-0b5b-11f1-a1c0-0050569f0b83 advisory. PowerDNS Team reports: 2025-07: Internal logic flaw in cache management can lead to a denial o...

PowerDNS Recursor（pdns_recursor） 安全漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a security vulnerability in PowerDNS Recursor, which stems from a specially crafted region and may lead to an increase in incoming network traffic...

PowerDNS Recursor（pdns_recursor） 安全漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a security vulnerability in PowerDNS Recursor, which stems from the possibility of custom delegation or IP fragments contaminating cached delegation data...