Main Vulnerability Database Vulnerabilities #VU110095

Buffer overflow in Glibc - CVE-2011-5320

Published: November 8, 2017 / Updated: June 3, 2025

Vulnerability identifier: #VU110095

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2011-5320

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: GNU

Affected software:
Glibc

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

scanf and related functions in glibc before 2.15 allow local users to cause a denial of service (segmentation fault) via a large string of 0s.

Install update from vendor's website.