CVE-2014-7186: GNU Bash

High severity, CVSS 10.0. EPSS: 64.3% chance of exploitation in the next 30 days.

The redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted use of here documents, aka the "redir_stack" issue.

Affected products

• GNU Bash: version 1.14.0 only; version 1.14.1 only; version 1.14.2 only; version 1.14.3 only; version 1.14.4 only; version 1.14.5 only; …

Published 2014-09-28. Last modified 2026-06-17.