CVE-2026-19170

Description

A flaw was found in Google Chrome's WebGL component. A remote attacker could exploit a use-after-free vulnerability by enticing a user to visit a specially crafted HTML page. This could potentially allow the attacker to perform a sandbox escape, breaking out of the browser's security protections and gaining further access to the system.

Statement

Important: A use-after-free vulnerability in the WebGL component of Chromium could lead to a sandbox escape. This flaw allows a remote attacker to execute arbitrary code outside the browser's security sandbox by enticing a user to visit a specially crafted HTML page. While requiring user interaction, the ability to bypass browser security protections makes this an Important concern for Red Hat users of Chromium.

Understanding the Weakness (CWE)

Confidentiality

Technical Impact: Read Memory

If the expired pointer is used in a read operation, an attacker might be able to control data read in by the application.

Availability

Technical Impact: DoS: Crash, Exit, or Restart

If the expired pointer references a memory location that is not accessible to the product, or points to a location that is "malformed" (such as NULL) or larger than expected by a read or write operation, then a crash may occur.

Integrity,Confidentiality,Availability

Technical Impact: Execute Unauthorized Code or Commands

If the expired pointer is used in a function call, or points to unexpected data in a write operation, then code execution may be possible.

Frequently Asked Questions

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