#VU85935 Integer overflow in Glibc - CVE-2023-6780
Published: January 31, 2024 / Updated: May 20, 2025
Vulnerability identifier: #VU85935
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-6780
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Glibc
Glibc
Software vendor:
GNU
GNU
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow within the __vsyslog_internal() function. A local user can pass specially crafted input to the affected application, trigger an integer overflow and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.