CVE-2026-19173
Description
A flaw was found in Skia, a 2D graphics library utilized within Chromium-based browsers. A remote attacker, having already compromised the browser's renderer process, could exploit an out-of-bounds write vulnerability. This exploitation occurs by enticing a user to visit a specially crafted HTML page. The successful execution of this attack could enable the attacker to escape the browser's security sandbox, potentially leading to further compromise of the underlying system.
Statement
An Important out-of-bounds write vulnerability in Skia, as used in various Red Hat components, allows a compromised browser renderer process to escape its security sandbox. This flaw requires user interaction to process a specially crafted HTML page. Successful exploitation could lead to further compromise of the underlying system beyond the browser's confines.
Understanding the Weakness (CWE)
Integrity
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.
Other
Technical Impact: Unexpected State
Subsequent write operations can produce undefined or unexpected results.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
