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      <title>CVE-2021-20236</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2021-20236</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; zeromq&lt;/p&gt;
&lt;p&gt;A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; zeromq&lt;/p&gt;
&lt;p&gt;A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.&lt;/p&gt;</content:encoded>
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