CVSS 3.1 Score 5.3 of 10 (medium)


Published Jan 31, 2024
Updated: Mar 26, 2024
CWE ID 131
CWE ID 190


CVE-2023-6780 is a vulnerability that affects the glibc library version 2.37 and newer. The vulnerability is caused by an integer overflow in the __vsyslog_internal function, which is called by the syslog and vsyslog functions. When these functions are called with a very long message, it leads to incorrect calculation of the buffer size, resulting in undefined behavior. The vulnerability has a base severity rating of MEDIUM with a base score of 5.3 according to The exploitability score is 3.9, indicating that it can be exploited remotely without requiring any privileges or user interaction. The impact score is low, with no impact on integrity or confidentiality, and a low availability impact. Remediation for this vulnerability would involve updating glibc to a version that addresses the issue to ensure system security and stability.

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