Bug 2492909 (CVE-2026-42389)

Summary: CVE-2026-42389 pdns-recursor: reject more queries with invalid header values
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2026-06-25 14:01:21 UTC
This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritative servers.