CVE-2026-19156

Analyzed Analyzed - Analysis Complete

Heap Buffer Overflow in Google Chrome Base

Publication date: 2026-08-06

Last updated on: 2026-08-08

Assigner: Chrome

Description

Heap buffer overflow in Base in Google Chrome prior to 151.0.7922.109 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-06

Last Modified

2026-08-08

Generated

2026-08-27

AI Q&A

2026-08-07

EPSS Evaluated

2026-08-26

NVD

CVE-2026-19156

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.109 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This vulnerability is a heap buffer overflow in the Base component of Google Chrome before version 151.0.7922.109. It allows an attacker to potentially exploit heap corruption by tricking a user into installing a malicious Chrome extension.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 151.0.7922.109. To detect it, check your Chrome version by running chrome://version/ in the browser address bar. If your version is below 151.0.7922.109, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to execute arbitrary code on your system or cause a crash. Since it requires user interaction to install a malicious extension, the risk depends on whether you install untrusted extensions.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with standards like GDPR or HIPAA. The vulnerability involves a heap buffer overflow in Google Chrome's Base component, potentially allowing exploitation via malicious extensions. Without explicit details on data exposure or processing, its compliance impact remains unclear.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.109 or later to address the heap buffer overflow vulnerability in Base.

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