Heap Buffer Overflow in Google Chrome on Android

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: Chrome

Description

Range error in SiteIsolation in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-20

Last Modified

2026-10-20

Generated

2026-10-21

AI Q&A

2026-10-21

EPSS Evaluated

N/A

NVD

CVE-2026-113239

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	156.0.8078.47

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-118	The product does not restrict or incorrectly restricts operations within the boundaries of a resource that is accessed using an index or pointer, such as memory or files.

Attack-Flow Graph

Executive Summary

This vulnerability is a range error in SiteIsolation in Google Chrome on Android. It allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a crafted HTML page. The issue exists in Chrome versions prior to 156.0.8078.47.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially stealing data, installing malware, or taking control of your browser. Since it affects Chrome on Android, users of vulnerable versions are at risk.

Mitigation Strategies

Update Google Chrome on Android to version 156.0.8078.47 or later to address the vulnerability.

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