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    <link>https://cve.radiocsirt.org</link>
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    <lastBuildDate>Wed, 07 Oct 2026 14:16:09 +0000</lastBuildDate>
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      <title>CVE-2026-33320 — Dasel has unbounded YAML alias expansion in dasel leads to CPU/memory denial of service</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-33320</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; TomWright dasel&lt;/p&gt;
&lt;p&gt;Dasel is a command-line tool and library for querying, modifying, and transforming data structures. Starting in version 3.0.0 and prior to version 3.3.1, Dasel&amp;#39;s YAML reader allows an attacker who can supply YAML for processing to trigger extreme CPU and memory consumption. The issue is in the library&amp;#39;s own `UnmarshalYAML` implementation, which manually resolves alias nodes by recursively following `yaml.Node.Alias` pointers without any expansion budget, bypassing go-yaml v4&amp;#39;s built-in alias expansion limit. Version 3.3.2 contains a patch for the issue.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; TomWright dasel&lt;/p&gt;
&lt;p&gt;Dasel is a command-line tool and library for querying, modifying, and transforming data structures. Starting in version 3.0.0 and prior to version 3.3.1, Dasel&amp;#39;s YAML reader allows an attacker who can supply YAML for processing to trigger extreme CPU and memory consumption. The issue is in the library&amp;#39;s own `UnmarshalYAML` implementation, which manually resolves alias nodes by recursively following `yaml.Node.Alias` pointers without any expansion budget, bypassing go-yaml v4&amp;#39;s built-in alias expansion limit. Version 3.3.2 contains a patch for the issue.&lt;/p&gt;</content:encoded>
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