CVE-2014-7186: bash: parser can allow out-of-bounds memory access while handling redir_stack

Severity: Critical

CVSS Score: 10

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.