●Google Chrome · Mai 2024

Google Chrome Sicherheitsupdate: V8 JIT & WebRTC

Technischer Bericht zum Notfall-Update von Chrome für Typverwechslungs-Schwachstellen im V8 JIT-Compiler.

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

Executive Triage und Risikobewertung

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.

Kuratierte Schwachstellen-Triage-Matrix

CVE-Kennung Subsystem / Komponente Auswirkung CVSS Aktive Ausnutzung?
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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