The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In NLnet Labs Unbound 1.6.2 up to and including 1.25.1, when Unbound is configured with the 'respip'     module in front of the validator together with a 'response-ip' redirect rule or an RPZ file with an RPZ-IP     trigger, the rewriting handler does not check the security status of the upstream answer and can instead     rewrite a BOGUS A/AAAA answer to point to an operator's configured IP. If the validator finds an expired     or otherwise invalid RRSIG on an answer whose A record falls within a 'response-ip'/RPZ configuration, the     answer is still rewritten and given a hard coded security level of INSECURE. This results in the client     receiving an INSECURE NOERROR reply rewritten by the operator's configured IP. A malicious actor can     exploit the possible poisonous effect by spoofing a BOGUS A/AAAA answer that falls inside the operator's     configured subnet rewrites. Such DNSSEC protected answers are then insecurely redirected to the operator's     configured target. (CVE-2026-50243)

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Linux Distros Unpatched Vulnerability : CVE-2026-50243

medium Nessus Plugin ID 329571

Version 1.5