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    Dr. Christopher Kunz (christopherkunz@chaos.social)'s status on Thursday, 04-Jun-2026 23:54:10 JSTDr. Christopher KunzDr. Christopher Kunz
    in reply to
    • Will Dormann

    @wdormann From what I read in the writeup (and the sparse other sources), you need a long enough DNS name on the victim host to trigger the overflow. I think 54 chars or more? This github has a possible explanation why the PoC fails under most normal conditions: https://github.com/ADScanPro/CVE-2026-41089-LongLogon

    In conversationabout 4 days ago from chaos.socialpermalink

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      GitHub - ADScanPro/CVE-2026-41089-LongLogon: CVE-2026-41089 checker: unauthenticated, non-destructive detection for the Netlogon CLDAP stack buffer overflow (CVSS 9.8). Reports whether a domain controller's domain is long enough to crash, without sending the overflow. The binary-verified analysis the public PoCs got wrong.
      CVE-2026-41089 checker: unauthenticated, non-destructive detection for the Netlogon CLDAP stack buffer overflow (CVSS 9.8). Reports whether a domain controller's domain is long enough to crash,...
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