CVE-2017-1000409: GNU Glibc

High severity, CVSS 7.0. EPSS: 1.2% chance of exploitation in the next 30 days.

A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.

Affected products

• GNU Glibc: version 2.5 only

Published 2018-02-01. Last modified 2026-06-17.