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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Mon, 28 Sep 2026 17:01:14 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-3219 — pip doesn't reject concatenated ZIP and tar archives</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-3219</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Python Packaging Authority pip&lt;/p&gt;
&lt;p&gt;pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing &amp;#34;incorrect&amp;#34; files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Python Packaging Authority pip&lt;/p&gt;
&lt;p&gt;pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing &amp;#34;incorrect&amp;#34; files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-3219</guid>
    </item>
    <item>
      <title>GHSA-58qw-9mgm-455v — pip has an interpretation conflict due to handling both concatenated tar and ZIP files as ZIP files</title>
      <link>https://vulnerability.circl.lu/vuln/ghsa-58qw-9mgm-455v</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: pip&lt;/p&gt;
&lt;p&gt;pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing &amp;#34;incorrect&amp;#34; files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: pip&lt;/p&gt;
&lt;p&gt;pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing &amp;#34;incorrect&amp;#34; files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/ghsa-58qw-9mgm-455v</guid>
    </item>
    <item>
      <title>PYSEC-2026-2875 — pip has an interpretation conflict due to handling both concatenated tar and ZIP files as ZIP files</title>
      <link>https://vulnerability.circl.lu/vuln/pysec-2026-2875</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: pip&lt;/p&gt;
&lt;p&gt;pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing &amp;#34;incorrect&amp;#34; files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: pip&lt;/p&gt;
&lt;p&gt;pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing &amp;#34;incorrect&amp;#34; files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/pysec-2026-2875</guid>
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