Highlights
File Permissions: 2 prior fixes. Scrutinize any change in this area.
CommandLineProgram.java: 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.
Temporary Directory Hijacking / Information Disclosure: Non-atomic createTempFile+delete+mkdir allows a local attacker to pre-create the target directory, redirecting writes or leaking data.
File Permissions: Explicitly making temp directories world-readable and writable exposes intermediate files and allows tampering by other local users.