Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
rust-embedded/heapless
main @ 7899b83
2
Fixes
1
CVEs
HIGH
Peak severity
100.0%
Coverage
Highlights
Information Disclosure: 1 prior fix. Scrutinize any change in this area.
src/deque.rs: most-fixed (1 issue). 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.
Memory Safety: Panicking elements during collection clearance can bypass the reset of collection metadata, leaving stale pointers or indices that lead to double-free or use-after-free vulnerabilities. This requires meticulous use of drop guards to guarantee metadata cleanup during unwinding.
Memory Safety: Partial consumption of collections or failure of internal element operations during unwinding can bypass expected cleanups, causing resource issues or memory safety violations similar to those fixed under CVE-2020-36464.
Information Disclosure: Incomplete or missing Zeroize trait implementations across heapless structure definitions can lead to sensitive memory remaining in buffers after they are dropped, exposing secrets to unauthorized reads.