Bug 2420463 (CVE-2025-59030)

Summary: CVE-2025-59030 powerdns_recursor: Insufficient validation of incoming notifies over TCP can lead to a denial of service
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
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Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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An input validation flaw has been discovered in the powerdns recursor project. The lack of validation on incoming TCP notifies can cause a crash and thus denial of service in the program.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2420811, 2420812, 2420813, 2420814    
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Description OSIDB Bzimport 2025-12-09 10:01:19 UTC
An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.