CVE-2011-5320: GNU Glibc

Medium severity, CVSS 6.2. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• GNU Glibc: up to and including 2.14.1

Published 2017-10-18. Last modified 2026-06-16.