Bug 2437990 (CVE-2026-0398)

Summary: CVE-2026-0398 PowerDNS Recursor: crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2438177, 2438178, 2438179, 2438180    
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Description OSIDB Bzimport 2026-02-09 15:01:20 UTC
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.