CVE-2017-1000408: GNU Glibc

High severity, CVSS 7.8. EPSS: 1.5% chance of exploitation in the next 30 days.

A memory leak in glibc 2.1.1 (released on May 24, 1999) can be reached and amplified through the LD_HWCAP_MASK 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 2.1.1 only

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