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    <link>https://vulnerability.circl.lu</link>
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      <title>CVE-2021-3842 — Inefficient Regular Expression Complexity in nltk/nltk</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2021-3842</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nltk/nltk&lt;/p&gt;
&lt;p&gt;nltk is vulnerable to Inefficient Regular Expression Complexity&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nltk/nltk&lt;/p&gt;
&lt;p&gt;nltk is vulnerable to Inefficient Regular Expression Complexity&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2021-3842</guid>
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    <item>
      <title>GHSA-rqjh-jp2r-59cj — NLTK Vulnerable to REDoS</title>
      <link>https://vulnerability.circl.lu/vuln/ghsa-rqjh-jp2r-59cj</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: nltk&lt;/p&gt;
&lt;p&gt;NLTK is vulnerable to REDoS in some RegexpTaggers used in the functions `get_pos_tagger` and `malt_regex_tagger`.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: nltk&lt;/p&gt;
&lt;p&gt;NLTK is vulnerable to REDoS in some RegexpTaggers used in the functions `get_pos_tagger` and `malt_regex_tagger`.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/ghsa-rqjh-jp2r-59cj</guid>
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      <title>PYSEC-2022-5</title>
      <link>https://vulnerability.circl.lu/vuln/pysec-2022-5</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: nltk&lt;/p&gt;
&lt;p&gt;nltk is vulnerable to Inefficient Regular Expression Complexity&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: nltk&lt;/p&gt;
&lt;p&gt;nltk is vulnerable to Inefficient Regular Expression Complexity&lt;/p&gt;</content:encoded>
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