Highlights
Insecure Permissions: 1 prior fix. Scrutinize any change in this area.
lib/irb/ext/save-history.rb: most-fixed (1 issue). Treat as high-risk during review.
0 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Insecure Permissions: If IRB cannot safely restrict the permissions of its history file (for example, when encountering EPERM), it may write sensitive command history to an insecurely permissioned file, exposing user input to local attackers.