CVSS 3.1 Score 9.8 of 10 (high)


Published Dec 29, 2023
Updated: Mar 21, 2024
CWE ID 416


A critical vulnerability, identified as CVE-2023-7152, has been discovered in MicroPython versions 1.21.0 and 1.22.0-preview. The affected function poll_set_add_fd in the file extmod/modselect.c is vulnerable to use after free manipulation, potentially leading to exploitation by attackers. A patch with identifier 8b24aa36ba978eafc6114b6798b47b7bfecdca26 has been released to address this issue, and it is strongly recommended to apply the patch for mitigation. The vulnerability has a CVSS v3 base score of 9.8 (out of 10), indicating its critical severity and potential danger it poses to organizations.

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