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.
{ "ubuntu_priority": "medium", "availability": "No subscription required", "binaries": [ { "binary_name": "bash", "binary_version": "4.3-7ubuntu1.4" }, { "binary_name": "bash-builtins", "binary_version": "4.3-7ubuntu1.4" }, { "binary_name": "bash-doc", "binary_version": "4.3-7ubuntu1.4" }, { "binary_name": "bash-static", "binary_version": "4.3-7ubuntu1.4" } ] }