MiraclePtr: protecting users from use-after-free vulnerabilities on more platforms

This post summarizes the deployment and security impact of MiraclePtr, a mitigation in Chrome for use-after-free vulnerabilities: it reports that MiraclePtr mitigated 57% of relevant UAF reports, helped identify critical vulnerabilities (including CVE-2022-3038) via crash telemetry, describes crash-analysis and performance trade-offs (memory overhead 1–8% depending on scope), and outlines ongoing plans to expand coverage and tooling.