CVE-2023-6246

CVE-2023-6246 · Glibc: heap-based buffer overflow in __vsyslog_internal()

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when the openlog function was not called, or called with the ident argument set to NULL, and the program name (the basename of argv[0]) is bigger than 1024 bytes, resulting in an application crash or local privilege escalation. This issue affects glibc 2.36 and newer.

CVSS 8.4 · High · EPSS 4.8% · Fix available

Published

2024-01-31T14:06:21.949Z

Updated

2026-10-14T22:15:16.680Z

Stack: system

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