CVE-2014-4043: GNU Glibc

High severity, CVSS 7.5. EPSS: 3.9% chance of exploitation in the next 30 days.

The posix_spawn_file_actions_addopen function in glibc before 2.20 does not copy its path argument in accordance with the POSIX specification, which allows context-dependent attackers to trigger use-after-free vulnerabilities.

Affected products

• GNU Glibc: up to and including 2.19
• Opensuse Opensuse: version 13.1 only

Published 2014-10-06. Last modified 2026-06-17.