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#cve-2026-4890

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ZDI Published AdvisoriesAug 13, 2026

ZDI-26-584: dnsmasq DNSSEC NSEC/NSEC3 Type Bitmap Processing Infinite Loop Denial-of-Service Vulnerability

ZDI disclosed an unauthenticated infinite-loop denial-of-service flaw (CVE-2026-4890) in dnsmasq DNSSEC NSEC/NSEC3 bitmap processing.

cve-2026-4890 dnsmasq

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The Hacker NewsJun 23, 2026

OpenAI Expands Daybreak With GPT-5.5-Cyber to Help Defenders Patch Security Flaws

5 min readcve-2026-47729 cve-2026-4890

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