CVE-2012-5667: GNU Grep

Medium severity, CVSS 4.4. EPSS: 1% chance of exploitation in the next 30 days.

Multiple integer overflows in GNU Grep before 2.11 might allow context-dependent attackers to execute arbitrary code via vectors involving a long input line that triggers a heap-based buffer overflow.

Affected products

• GNU Grep: up to and including 2.10; version 2.2 only; version 2.3 only; version 2.4 only; version 2.4.1 only; version 2.4.2 only; …

Published 2013-01-03. Last modified 2026-06-16.