# Chromium Stable update 156.0.8078.79 addresses 21 security vulnerabilities

> **Key takeaway:** A major Chromium stable release patches 21 security flaws, including a critical memory corruption vulnerability in MediaStream.

**Published:** 2026-10-29T22:26:14.273000+00:00 
**Source:** Google Chromium Engineering Releases 
**Category:** bigtech-foss 
**Canonical URL:** https://fosswire.org/news/chromium-stable-update-1560807879-addresses-21-security-vuln.html 

## Summary
Google has released Chromium version 156.0.8078.79 for the Stable and Extended Stable channels. This update is available for Linux, Windows, and macOS, with the Linux build specifically targeting version 156.0.8078.79 to address several high-severity security issues.

The release is primarily focused on security hardening, containing 21 distinct fixes for vulnerabilities ranging from medium to critical severity. These patches address various memory safety issues and input validation errors across several core engine components.

## Security vulnerability breakdown
- **Critical Vulnerability:** CVE-2026-76024 addresses a critical memory corruption flaw within the MediaStream component.
- **Memory Safety Issues:** The update resolves multiple high-severity use-after-free and memory corruption bugs in subsystems including FileSystem, Autofill, CacheStorage, Network, Input, and Blink.
- **Engine Component Fixes:** Security patches target the V8 JavaScript engine (improper input validation), the Skia graphics library (improper input validation and use-after-free), and the Dawn WebGPU implementation (memory corruption).
- **Logic and Validation:** Fixes were applied to address integer overflows in the Editing component and improper input validation in the DOM and Quota management systems.

## Why it matters
As the upstream foundation for many open-source browsers and web engines, these patches are vital for Linux distributions and developers maintaining Chromium-based software. Rapid deployment of this update is necessary to mitigate risks associated with memory corruption and use-after-free exploits in web-facing applications.