Integer Overflow in Chrome WebRTC Allows Out-of-Bounds Write

Publication date: 2026-04-08

Last updated on: 2026-04-29

Assigner: Chrome

Description

Integer overflow in WebRTC in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-04-08

Last Modified

2026-04-29

Generated

2026-07-06

AI Q&A

2026-04-09

EPSS Evaluated

2026-07-05

NVD

CVE-2026-5912

EUVD

EUVD-2026-20744

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 147.0.7727.55 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-472	The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable, such as hidden form fields.

Attack-Flow Graph

Executive Summary

This vulnerability is an integer overflow in the WebRTC component of Google Chrome versions prior to 147.0.7727.55. It allows a remote attacker to cause an out of bounds memory write by using a specially crafted HTML page.

Impact Analysis

The vulnerability could allow a remote attacker to write outside the intended memory bounds, potentially leading to unexpected behavior such as crashes or exploitation of the browser. However, the severity is rated as low by Chromium security.

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