# Security Policy

## Reporting a Vulnerability

If you have any security concern, contact <matz@ruby.or.jp>.

## Scope

We consider the following issues as vulnerabilities:

- Remote code execution
- Crash caused by a valid Ruby script

We *don't* consider the following issues as vulnerabilities:

- Runtime C undefined behavior (including integer overflow)
- Crash caused by misused API
- Crash caused by modified compiled binary
- ASAN/Valgrind warning for too big memory allocation
  mruby assumes `malloc(3)` returns `NULL` for too big allocations
