fix: remove unsafe exec() in harness.c#421
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Summary
Fix critical severity security issue in
fuzz/harness.c.Vulnerability
V-009fuzz/harness.c:41Description: The fuzz harness accepts arbitrary byte sequences via LLVMFuzzerTestOneInput and passes them directly into the compiler's parsing and analysis pipeline. Given the multiple confirmed memory safety vulnerabilities throughout the codebase (V-001 through V-006, V-011), a crafted input can trigger buffer overflows, use-after-free, or double-free conditions. If the harness binary is deployed or accessible in a CI/CD environment without sandboxing, an attacker who can influence the input achieves arbitrary code execution in the compiler process.
Changes
fuzz/harness.cVerification
Automated security fix by OrbisAI Security