CVE-2026-19560

Description

A flaw was found in chromium-browser. A remote attacker could exploit a use-after-free vulnerability in the Blink component by enticing a user to visit a specially crafted HTML page. This could lead to arbitrary code execution within the sandbox environment, potentially compromising the affected system.

Statement

This Important flaw in chromium-browser's Blink rendering engine allows a remote attacker to achieve arbitrary code execution within the browser's sandbox. This vulnerability requires user interaction, typically by visiting a specially crafted HTML page, making it a significant risk for users who process untrusted web content. The ability to execute arbitrary code, even within a sandbox, elevates the severity due to potential for further system compromise.

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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