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    <lastBuildDate>Wed, 11 Nov 2026 23:02:50 +0000</lastBuildDate>
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      <title>CVE-2026-123602 — Hickory DNS Recursor Ghost Domain Attack via Child-Side NS RRset Caching</title>
      <link>https://db.gcve.eu/vuln/cve-2026-123602</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; hickory-dns&lt;/p&gt;
&lt;p&gt;The Hickory DNS recursor in all versions of hickory-recursor and in hickory-resolver 0.26.0-beta.1 before 0.26.2 (recursor feature) is vulnerable to ghost domain names attacks because it reuses child-side apex NS RRsets cached from zone NS queries for iterative resolution. By repeatedly querying a zone&amp;#39;s NS records, an attacker keeps the stale RRset cached indefinitely, letting name servers whose delegation the parent revoked keep answering for the zone.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; hickory-dns&lt;/p&gt;
&lt;p&gt;The Hickory DNS recursor in all versions of hickory-recursor and in hickory-resolver 0.26.0-beta.1 before 0.26.2 (recursor feature) is vulnerable to ghost domain names attacks because it reuses child-side apex NS RRsets cached from zone NS queries for iterative resolution. By repeatedly querying a zone&amp;#39;s NS records, an attacker keeps the stale RRset cached indefinitely, letting name servers whose delegation the parent revoked keep answering for the zone.&lt;/p&gt;</content:encoded>
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