Highlights
Denial of Service: 185 prior fixes. Scrutinize any change in this area.
ssl: most-fixed (50 issues). Treat as high-risk during review.
233 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.
Auth Bypass: Unclean error variable reuse or failures in validating return codes in certificate verification callbacks can erroneously yield validation success, allowing unauthorized entities to present invalid certificates.
Side-Channel Attack: Compiler optimizations or variable-time execution paths in modular arithmetic and exponentiation calculations can leak secret private key material via cache or timing side channels.
Memory Corruption: DTLS message reassembly and fragment processing are highly susceptible to out-of-bounds writes and heap corruption when processing unexpected or empty handshake fragments.