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How the CVE Works:
CVE-2025-6558 exploits insufficient input validation in ANGLE (Almost Native Graphics Layer Engine) and GPU components of Google Chrome. A maliciously crafted HTML page can trigger improper handling of GPU commands, bypassing Chrome’s sandbox restrictions. This allows an attacker to execute arbitrary code outside the sandbox, potentially leading to full system compromise. The vulnerability stems from improper checks on WebGL or GPU buffer operations, enabling memory corruption or unintended command execution.
DailyCVE Form:
Platform: Google Chrome
Version: <138.0.7204.157
Vulnerability: Sandbox Escape
Severity: High
Date: 07/15/2025
Prediction: Patch by 08/10/2025
What Undercode Say:
chromium --disable-gpu-sandbox Testing bypass gdb --args chrome --no-sandbox Debugging crash exploit.js: WebGLBuffer overflow
How Exploit:
- Crafted WebGL shaders abuse GPU memory.
- HTML page triggers ANGLE command corruption.
- Chain with heap spray for RCE.
Protection from this CVE:
- Update to Chrome >=138.0.7204.157.
- Disable WebGL if unused.
- Enable strict site isolation.
Impact:
- Full system compromise.
- Bypasses Chrome security model.
- Remote code execution.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
