CVE-2012-3410: GNU Bash

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might allow local users to bypass intended restricted shell access via a long filename in /dev/fd, which is not properly handled when expanding the /dev/fd prefix.

Affected products

• GNU Bash: version 4.2 only

Published 2012-08-27. Last modified 2026-06-16.