CVSS 3.1 Score 9.8 of 10 (high)


Published Jan 27, 2024
Updated: Feb 8, 2024
CWE ID 190


CVE-2023-52389 is a vulnerability found in POCO's UTF32Encoding.cpp, which can result in an integer overflow and subsequent stack buffer overflow. This vulnerability affects various products, including a2nMVa, a2nMVb, a2nMVY, and many others. The issue arises when the UTF32 byte sequence evaluates to a value of 0x80000000 or higher. To remediate this vulnerability, users should update to version 1.11.8p2, 1.12.5p2, or 1.13.0 of POCO. The danger posed by this vulnerability is rated as critical with a base severity score of 9.8 by It has a high potential impact on integrity and confidentiality, and the exploitability score is 3.9 out of 10, indicating that it is relatively easy to exploit over the network without requiring any privileges or user interaction.

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