Highlights
Command Injection: 1 prior fix. Scrutinize any change in this area.
tasks/data-download.js: most-fixed (2 issues). Treat as high-risk during review.
1 high-severity fix in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Command Injection: The data download process executed external system shell processes via child_process.exec, rendering the environment vulnerable to arbitrary command injection if inputs were manipulated. This was mitigated by moving to child_process.execFile with rigid argument separation.
Man-in-the-Middle: Data fetching routines historically retrieved timezone definitions using unencrypted FTP protocols, exposing users and build steps to potential data tampering and traffic interception. The fix enforced encrypted HTTPS channels.