CVE-2026-19151

Description

A flaw was found in chromium-browser. A remote attacker could exploit a use-after-free vulnerability in the V8 JavaScript engine by crafting a malicious HTML page. This could allow the attacker to execute arbitrary code within the browser's sandbox, potentially leading to further system compromise.

Statement

Important: This use-after-free flaw in the V8 JavaScript engine of chromium-browser allows a remote attacker to execute arbitrary code by enticing a user to visit a specially crafted HTML page. While execution is initially contained within the browser's sandbox, the potential for further system compromise elevates the risk to Important, as it bypasses typical browser security mechanisms.

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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