CVE-2026-103631
Received Received - Intake

WebRTC Buffer Overflow in Google Chrome

Publication date: 2026-10-02

Last updated on: 2026-10-02

Assigner: Chrome

Description
Buffer overflow in WebRTC in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

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Meta Information

Published
2026-10-02
Last Modified
2026-10-02
Generated
2026-10-02
AI Q&A
2026-10-02
EPSS Evaluated
N/A
NVD
CVE-2026-103631
EUVD
EUVD-2026-91715

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 154.0.8037.97 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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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().

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Executive Summary

This is a buffer overflow vulnerability in WebRTC within Google Chrome versions before 154.0.8037.97. A remote attacker could exploit this by tricking a user into visiting a specially crafted HTML page, potentially allowing arbitrary code execution within the browser's sandbox.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 154.0.8037.97. Detection involves checking the installed Chrome version. On Windows, run: wmic product where "name like 'Google Chrome'" get version. On Linux, run: google-chrome --version. If the version is below 154.0.8037.97, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through the Chrome browser. This might lead to unauthorized access to your data, installation of malware, or other malicious activities while bypassing Chrome's security sandbox.

Mitigation Strategies

Update Google Chrome to version 154.0.8037.97 or later to address the buffer overflow in WebRTC.

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