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cve 2026 4438

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    CVE-2026-4438: Fix Invalid Reverse DNS Hostnames from gethostbyaddr

    Microsoft’s March 2026 security guidance adds a subtle but important new DNS-related flaw to the long list of issues administrators need to track: CVE-2026-4438. The advisory describes a case where gethostbyaddr and gethostbyaddr_r can return invalid DNS hostnames, which sounds narrow at first...
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    • cve 2026 4438 gethostbyaddr reverse dns windows security
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    • Forum: Security Alerts
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