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AI CLUSTERED EVENT · 10/8/2026

Google Uses Gemini and Differential Fuzzing to Rewrite C Library in Rust, Fixing Zero-Day

1 reports archived1 independent sourcesupdated 10/8/2026, 17:25:21
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Google's security team used Gemini to automatically migrate the 3000-line C library giflib into an ABI-compatible Rust implementation via a three-stage feedback loop. This approach fixed a heap-write zero-day vulnerability (CVE-2026-26740) before public disclosure, allowing the removal of process isolation sandboxes without latency penalties.

LATEST/Google's security team used Gemini to automatically migrate the 3000-line C library giflib into an ABI-compatible Rust implementation via a three-stage feedback loop. This approach fixed a heap-write zero-day vulnerability (CVE-2026-26740) before public disclosure, allowing the removal of process isolation sandboxes without latency penalties.

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  1. InfoQ 中文T2·78 pts

    Google Uses Gemini and Differential Fuzzing to Rewrite C Library in Rust, Fixing Zero-Day

    Original: 谷歌借助 AI 与差分模糊测试将 C 语言依赖库改写为 Rust

    • Adopted a three-stage automated migration pipeline: 'Gemini initial translation + manual FFI calibration + differential testing feedback' to address AI limitations in pointer ownership and lifetimes.
    • The generated Rust library maintains ABI compatibility with the original C library, allowing direct replacement of shared objects without modifying downstream callers.
    • Successfully fixed an undisclosed heap-write zero-day vulnerability and removed sandbox isolation in production, proving the performance viability of memory-safe replacements.