Highlights
Denial of Service: 1 prior fix. Scrutinize any change in this area.
src/zope/interface/_zope_interface_coptimizations.c: 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.
Denial of Service: Incomplete garbage collection traversal configuration in the C extension allows cyclic reference leaks. If base interfaces are dynamically created and discarded, unchecked reference counts will lead to gradual memory exhaustion and application denial of service.