Security context

What an agent needs to avoid regressing past fixes and find the next vuln in this repo.

docker/docker-credential-helpers
main @ 4f6bc8a
4
Fixes
0
CVEs
HIGH
Peak severity
Highlights
Memory Corruption: 3 prior fixes. Scrutinize any change in this area.
client: most-fixed (1 issue). Treat as high-risk during review.
2 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: Improper buffer allocation and missing null-terminators during interaction with the Linux Secret Service can lead to memory leakages or heap-based buffer overflows via memcpy. Developers must ensure all C allocations use calloc and explicitly guarantee null-termination before passing buffers to Go.
Command Injection: Using standard os/exec to launch helper binaries allows relative path hijacking if an untrusted executable exists in the current working directory. The project requires strict absolute path resolution to prevent unauthorized code execution.
Memory Corruption: Mismanaged cleanup flows when calling native platform APIs introduce double-free hazards and heap corruption. Native memory lifecycles must be strictly managed with ordered defer statements and single-ownership tracking.