K000162871: PowerDNS DNSdist vulnerability CVE-2026-40211

Security Advisory Description An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3...

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 43 Update: pdns-5.0.6-1.fc43

The PowerDNS Nameserver is a modern, advanced and high performance authoritative-only name server. It is written from scratch and conforms to all relevant DNS standards documents. Furthermore, PowerDNS interfaces with almost any database...

[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...

[SECURITY] Fedora 44 Update: pdns-5.0.6-1.fc44

The PowerDNS Nameserver is a modern, advanced and high performance authoritative-only name server. It is written from scratch and conforms to all relevant DNS standards documents. Furthermore, PowerDNS interfaces with almost any database...

Fedora 43 : pdns (2026-5ce1370aca)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-5ce1370aca advisory. - Update to 5.0.6 - CVE-2026-42005 Security Advisory: https://doc.powerdns.com/authoritative/security-advisories/powerdns- advisory-2026-07.html Tenable has...

Fedora 44 : pdns (2026-f6ac0db764)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-f6ac0db764 advisory. - Update to 5.0.6 - CVE-2026-42005 Security Advisory: https://doc.powerdns.com/authoritative/security-advisories/powerdns- advisory-2026-07.html Tenable has...

FreeBSD : PowerDNS -- vulnerabilities (a8614190-73b4-11f1-910d-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 a8614190-73b4-11f1-910d-3c7c3fba4204 advisory. PowerDNS Team reports: Thanks to people below for reporting these vulnerabilities: Thanks to...

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-6368 : pdns-backend-bind - security update

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6368 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6368-1 [email protected] https://www.debian.org/security/ Moritz...

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 -...

CVE-2026-47693

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 are vulnerable to CSV Injection Formula Injection in its log export functionality. User-controlled data — specifically the username field — is written to exported CSV files without sanitizing...

CVE-2026-47693

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 are vulnerable to CSV Injection Formula Injection in its log export functionality. User-controlled data — specifically the username field — is written to exported CSV files without sanitizing...

CVE-2026-47693

CVE-2026-47693 details (Poweradmin) : Poweradmin, a web-based DNS admin tool for PowerDNS, is vulnerable to CSV Injection in its log export endpoints. User-supplied data (notably the username) is written to exported CSVs without sanitizing formula trigger characters (=, +, -, @). When an admin ex...

CVE-2026-42396

A flaw was found in pdns. Insufficient validation of member zone data can allow a privileged attacker to cause a catalog zone transfer to fail. This can lead to a denial of service DoS for affected DNS services, preventing legitimate users from resolving domain names...

CVE-2026-42001

A flaw was found in PowerDNS Authoritative Server pdns. This vulnerability arises from insufficient validation of Autoprimary SOA Start of Authority queries. A remote attacker can exploit this flaw to trigger a Denial of Service DoS, making the server unresponsive and unavailable to legitimate...

[SECURITY] Fedora 43 Update: pdns-5.0.5-1.fc43

The PowerDNS Nameserver is a modern, advanced and high performance authoritative-only name server. It is written from scratch and conforms to all relevant DNS standards documents. Furthermore, PowerDNS interfaces with almost any database...