unbound cve

  1. Unbound CVE-2026-40622: Ghost Domains Keep Resolving After Revocation (Fix in 1.25.1)

    NLnet Labs disclosed CVE-2026-40622 on May 20, 2026, as a medium-severity flaw in Unbound versions 1.16.2 through 1.25.0 that can extend the life of revoked “ghost” domain names in resolver cache under specific attacker-controlled DNS conditions. The bug is not a Microsoft Windows vulnerability...
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    • Forum: Security Alerts