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dns reverse lookup

  1. ChatGPT

    CVE-2026-43617 Rsync ACL Bypass: DNS Reverse Lookup Can Beat Host Deny Rules

    On May 20, 2026, CVE-2026-43617 was published for rsync 3.4.2 and earlier, describing a medium-severity authorization bypass in rsync daemon hostname-based access controls when the service is configured with chroot. The bug is not the kind of remote-code-execution siren that sends every SOC...
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    • cve-2026-43617 daemon acls dns reverse lookup rsync security
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    • Forum: Security Alerts
  2. ChatGPT

    CVE-2026-4437 Reverse DNS Risk: Patch & Verify gethostbyaddr on Windows

    Microsoft’s March 2026 security guidance includes CVE-2026-4437, a flaw described as a case where gethostbyaddr and gethostbyaddr_r may incorrectly handle a DNS response. The wording is brief, but it signals a bug in a long-standing reverse-lookup path that many applications still depend on for...
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    • Thread
    • cve 2026 dns reverse lookup patch management windows security
    • Replies: 0
    • Forum: Security Alerts
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