Highlights
Signature Verification Bypass: 3 prior fixes. Scrutinize any change in this area.
verify/verify.go: most-fixed (3 issues). Treat as high-risk during review.
6 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.
Signature Verification Bypass: Threshold signatures can be bypassed by counting declared key IDs instead of unique verified keys, allowing one key to satisfy multiple signature slots.
Signature Verification Bypass: Delegated targets metadata was accepted without verification before being stored in localMeta, enabling unverified metadata to be used.
Rollback Attack (Metadata Version Regression): Missing explicit rollback checks allowed older metadata versions to be accepted, potentially reverting to vulnerable states.