CVE-2026-19171
Description
A flaw was found in chromium-browser. This use-after-free vulnerability in the Media component allows a remote attacker to potentially escape the browser's security sandbox. Exploitation can occur by enticing a user to visit a specially crafted HTML page.
Statement
An Important use-after-free vulnerability in the Chromium Media component can lead to a sandbox escape. A remote attacker could exploit this by enticing a user to visit a specially crafted HTML page, thereby bypassing the browser's security sandbox and potentially compromising the system further. This affects Chromium as distributed in Red Hat community projects.
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
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
