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cve-2026-4891

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    CVE-2026-4891 dnsmasq DNSSEC Flaw: Why Windows Networks Should Patch Upstream

    CVE-2026-4891 is a dnsmasq DNSSEC validation flaw disclosed on May 11, 2026, in which crafted DNS packets can trigger a heap-based out-of-bounds read, exposing memory information or contributing to service disruption in systems that rely on vulnerable dnsmasq builds. The oddity is not that a...
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    • cve-2026-4891 dnsmasq dnssec windows network security
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