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    <lastBuildDate>Fri, 09 Oct 2026 07:39:46 +0000</lastBuildDate>
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      <title>CVE-2023-7152 — MicroPython modselect.c poll_set_add_fd use after free</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2023-7152</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; MicroPython&lt;/p&gt;
&lt;p&gt;A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; MicroPython&lt;/p&gt;
&lt;p&gt;A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.&lt;/p&gt;</content:encoded>
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