[SECURITY] [DSA 6420-1] pdns security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6420-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso August 08, 2026 https://www.debian.org/security/faq -...

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...

EUVD-2016-3223

Malware in sbrugna...

SUSE CVE-2015-1868

The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative Auth Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service CPU consumption or crash via a request with a name that...

SUSE CVE-2018-14626

PowerDNS Authoritative Server 4.1.0 up to 4.1.4 inclusive and PowerDNS Recursor 4.0.0 up to 4.1.4 inclusive are vulnerable to a packet cache pollution via crafted query that can lead to denial of service...

CVE-2022-27227

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 before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers...

CVE-2022-27227: Undefined Security Weakness

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 before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers...

Mageia: Security Advisory (MGASA-2020-0375)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Mageia: Security Advisory (MGASA-2019-0008)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2021-36754

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-bounds exception...

CVE-2021-36754: Improper Restriction of Operations within the Bounds of a Memory Buffer

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-bounds exception...

CVE-2020-17482

An issue has been found in PowerDNS Authoritative Server before 4.3.1 where an authorized user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory...

CVE-2020-17482: Use of Uninitialized Resource

An issue has been found in PowerDNS Authoritative Server before 4.3.1 where an authorized user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory...

CVE-2015-5230: Improper Input Validation

The DNS packet parsing/generation code in PowerDNS aka pdns Authoritative Server 3.4.x before 3.4.6 allows remote attackers to cause a denial of service crash via crafted query packets...

DEBIAN-CVE-2019-10163

A Vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.9, 4.0.8 allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured a...

CVE-2019-10163

A Vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.9, 4.0.8 allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured a...

CVE-2019-10162

A vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.10, 4.0.8 allowing an authorized user to cause the server to exit by inserting a crafted record in a MASTER type zone under their control. The issue is due to the fact that the Authoritative Server will exit when ...

CVE-2019-10163: Allocation of Resources Without Limits or Throttling

A Vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.9, 4.0.8 allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured a...

CVE-2019-10162: Uncontrolled Resource Consumption

A vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.10, 4.0.8 allowing an authorized user to cause the server to exit by inserting a crafted record in a MASTER type zone under their control. The issue is due to the fact that the Authoritative Server will exit when ...

PowerDNS Authoritative Server Denial of Service Vulnerability

PowerDNS Authoritative Server is a DNS server from the Dutch company PowerDNS. A security vulnerability exists in PowerDNS Authoritative Server version 4.1.8 and earlier. An attacker can exploit this vulnerability by sending a large number of NOTIFY packets to cause a denial of service...