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      <title>CVE-2026-11933 — Post-authentication use-after-free in server-side JavaScript BSON-to-array conversion</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-11933</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; MongoDB&lt;/p&gt;
&lt;p&gt;A use-after-free vulnerability exists in MongoDB Server&amp;#39;s server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript (for example, via $where or $function) can cause the server to access memory that has already been freed. This may result in disclosure of information from the mongod process memory or a denial of service through a server crash.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; MongoDB&lt;/p&gt;
&lt;p&gt;A use-after-free vulnerability exists in MongoDB Server&amp;#39;s server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript (for example, via $where or $function) can cause the server to access memory that has already been freed. This may result in disclosure of information from the mongod process memory or a denial of service through a server crash.&lt;/p&gt;</content:encoded>
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      <title>GHSA-x5xf-rwjm-436w</title>
      <link>https://vulnerability.circl.lu/vuln/ghsa-x5xf-rwjm-436w</link>
      <description>&lt;p&gt;A use-after-free vulnerability exists in MongoDB Server&amp;#39;s server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript (for example, via $where or $function) can cause the server to access memory that has already been freed. This may result in disclosure of information from the mongod process memory or a denial of service through a server crash.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;A use-after-free vulnerability exists in MongoDB Server&amp;#39;s server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript (for example, via $where or $function) can cause the server to access memory that has already been freed. This may result in disclosure of information from the mongod process memory or a denial of service through a server crash.&lt;/p&gt;</content:encoded>
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