Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
pola-rs/polars
main @ c8e9642
45
Fixes
0
CVEs
HIGH
Peak severity
45.7%
Coverage
Highlights
Denial of Service: 21 prior fixes. Scrutinize any change in this area.
crates/polars-io/src/path_utils/mod.rs: most-fixed (2 issues). Treat as high-risk during review.
12 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.
Memory Corruption: Multiple fixes replaced unsafe value_unchecked and take_iter_unchecked with bounds-checked variants, indicating a systemic pattern of out-of-bounds access in core data operations.
Denial of Service: Multiple fixes address stack overflow (recursion), out-of-bounds panics, and unsafe memory handling in deserialization paths, indicating a high-risk area for crafted input.
Integer Overflow/Underflow: Multiple fixes prevent overflow/underflow in capacity, offset, and length calculations, which can lead to memory corruption or DoS.