Security vulnerabilities and automated fixes for redos issues
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A high-severity Regular Expression Denial of Service (ReDoS) vulnerability was discovered and patched in Nushell's interactive TUI explorer, where unvalidated user keystrokes could be passed directly into regex compilation, allowing adversarial inputs to consume 100% CPU and freeze the interface. This fix adds proper input validation and length limits to the search input handler, preventing catastrophic backtracking attacks. Understanding this vulnerability is essential for any developer buildin