CVE-2012-4424: GNU Glibc

Medium severity, CVSS 5.1. EPSS: 3.4% chance of exploitation in the next 30 days.

Stack-based buffer overflow in string/strcoll_l.c in the GNU C Library (aka glibc or libc6) 2.17 and earlier allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string that triggers a malloc failure and use of the alloca function.

Affected products

• GNU Glibc: up to and including 2.17; version 2.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; …

Published 2013-10-09. Last modified 2026-06-16.