PowerDNS Security Updates – Vulnerabilities Explained CVE-2026-33257
PowerDNS has issued critical security updates addressing vulnerabilities in both its Authoritative Server and Recursor. These updates are particularly important for administrators managing DNS infrastructure, including public DNS services and recursive resolvers. The updates cover multiple CVEs, with some vulnerabilities affecting both components while others are specific to one.
- ▪PowerDNS has released security updates for its Authoritative Server and Recursor.
- ▪The vulnerabilities are significant for those managing DNS infrastructure.
- ▪The updates address multiple CVEs, some affecting both components and others specific to one.
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| Original publisher | Tux |
| Canonical URL | https://tux.re/forum/viewtopic.php?t=179 |
| Publication time | Tue, 28 Apr 2026 19:50:58 +0000 |
| Retrieval time | 2026-04-28T20:14:39.778Z |
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PowerDNS Security Updates CVE-2026-33257,.. Quote Post by NetGuru » Tue Apr 28, 2026 7:44 pm PowerDNS Security Updates – Authoritative Server and Recursor Vulnerabilities Explained PowerDNS has released important security updates affecting both the Authoritative Server and the Recursor. These vulnerabilities are relevant for administrators running DNS infrastructure, especially public DNS services, hosting environments, and recursive resolvers. Affected Components There are two main components: PowerDNS Authoritative Server – serves DNS zones PowerDNS Recursor – resolves DNS queries for clients Both components are widely used but serve different purposes, and both have received security fixes.
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