●Chrome 安全更新 · 2024年5月

Google Chrome 安全通告：V8 JIT 与 WebRTC 零日漏洞分析

深入解析 Chrome 紧急稳定通道更新，修复已被在野利用的 V8 JIT 编译器类型混淆零日漏洞。

1
Active Zero-Day (V8)
8.8
CVSS Severity
Critical
Browser Exploitation
Immediate
Fleet Patch Urgency

漏洞风险分类与修复裁决

Google has released an emergency security update for Chrome across Windows, Mac, and Linux to patch CVE-2024-4947, an actively exploited type confusion vulnerability in the V8 JavaScript engine. This flaw allows malicious web pages to escape the V8 sandbox and execute arbitrary code in the browser renderer process.

重点漏洞分类评级矩阵

CVE 编号 核心子系统 / 组件 影响程度 CVSS 是否在野利用？
CVE-2024-4947V8 JavaScript EngineJIT Type Confusion8.8 HighYES (In-The-Wild)
CVE-2024-4948Dawn / WebGPUUse-After-Free8.1 HighNo
CVE-2024-4949V8 WebAssemblyOut-of-Bounds Memory Access7.5 HighNo
CVE-2024-4950Downloads SubsystemInappropriate Implementation4.3 MediumNo
FEATURED CODE TEARDOWN

Deep Dive: CVE-2024-4947 Chrome V8 Turbofan Type Confusion Teardown →

Examine the exact C++ Git commit from Chromium Gerrit showing how property accessor prototype transitions fooled the Turbofan optimizer.

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