Tag: dns resolver

1 article

Rack-mounted networking equipment, including a router or DNS server, in a network operations center.

Unbound DNSSEC Validator Flaw Enables Remote Code Execution

A critical flaw in the Unbound DNSSEC Validator, known as CVE-2026-81642, allows attackers to trigger a heap overflow, potentially enabling remote code execution on vulnerable systems. This vulnerability affects all Unbound DNS resolver releases before 1.26.1, putting countless systems at risk.

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