CVSS 3.1 Score 4.3 of 10 (medium)


Published Dec 10, 2023
Updated: Jan 25, 2024
CWE ID 686


CVE-2023-5868 is a memory disclosure vulnerability found in PostgreSQL, affecting various products. Remote users can exploit certain aggregate function calls with 'unknown'-type arguments to access sensitive information. This vulnerability arises when handling 'unknown'-type values from string literals without type designation, leading to the disclosure of bytes and potentially revealing notable and confidential data. The excessive data output in aggregate function calls allows remote users to read portions of system memory. The vulnerability has a base severity rating of MEDIUM, with a base score of 4.3 out of 10. The potential danger to organizations includes the unauthorized access to sensitive information and the potential exposure of confidential data. To remediate this vulnerability, it is recommended to apply the necessary security patches or updates provided by PostgreSQL.


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