CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

SUSE CVE-2025-30195

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 and crash of the Recursor, causing a denial of service. The remedy is: upgrade to the patched 5.2.1 version. We would like to thank Volodym...

PowerDNS security vulnerabilities

PowerDNS is an open source DNS server from PowerDNS. PowerDNS uses Access mdb file to record DNS information under Win32, and MySQL to record DNS information under Linux/Unix. Whether it is mdb or MySQL, backup is very convenient. A security vulnerability exists in PowerDNS that allows an attacke...