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cve-2026-42944

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    CVE-2026-42944: Unbound DNS Heap Overflow Fix in 1.25.1 (Not a Windows DNS Bug)

    NLnet Labs disclosed CVE-2026-42944 on May 20, 2026, as a high-severity Unbound DNS resolver vulnerability affecting versions 1.14.0 through 1.25.0, where crafted queries containing multiple NSID, DNS Cookie, and EDNS Padding options can trigger a heap overflow and crash the service. The fix is...
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    • cve-2026-42944 dns security heap overflow unbound dns
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    • Forum: Security Alerts
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