{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/powerdns-authoritative-server/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["PowerDNS Authoritative Server","PowerDNS Recursor"],"_cs_severities":["medium"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":["PowerDNS"],"content_html":"\u003cp\u003eThe German Federal Office for Information Security (BSI) has released a security advisory regarding a vulnerability in PowerDNS software, specifically affecting the PowerDNS Authoritative Server and PowerDNS Recursor. An unauthenticated remote attacker can exploit this flaw to cause a Denial of Service (DoS) condition. This vulnerability poses a risk to the availability of infrastructure relying on PowerDNS for name resolution. Organizations utilizing PowerDNS in production environments should review vendor-provided patches and monitor service availability metrics for unexpected restarts or crashes.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation results in the disruption of DNS resolution services, which can lead to significant network availability issues for dependent applications, services, and internal infrastructure. Depending on the scale and reach of the affected DNS infrastructure, this could affect internal name resolution or public-facing service availability.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdentify all instances of PowerDNS Authoritative Server and PowerDNS Recursor within the network infrastructure.\u003c/li\u003e\n\u003cli\u003eReview the vendor-specific security advisory for patched version releases and prioritize the deployment of these updates.\u003c/li\u003e\n\u003cli\u003eMonitor service logs and system performance metrics for patterns indicative of process termination or abnormal resource exhaustion.\u003c/li\u003e\n\u003cli\u003eImplement network-level rate limiting on DNS traffic to mitigate the impact of potential DoS attempts against exposed DNS resolvers.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-08-06T15:20:11Z","date_published":"2026-08-06T15:20:11Z","id":"https://feed.craftedsignal.io/briefs/2026-08-powerdns-dos/","summary":"A vulnerability in PowerDNS Authoritative Server and Recursor allows an unauthenticated remote attacker to trigger a denial of service condition affecting DNS resolution services.","title":"PowerDNS Denial of Service Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-08-powerdns-dos/"}],"language":"en","title":"CraftedSignal Threat Feed - PowerDNS Authoritative Server","version":"https://jsonfeed.org/version/1.1"}