CVE-2026-106231: Uninitialized resource in Dawn

Published Aug 26, 2026
·
Updated

Uninitialized resource in Dawn in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Credit

Google

Affected Software

3 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
All of the following
Google Chrome<155.0.8059.39
Apple macOS

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Aug 26, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 6, 2026
CVE Published
via MITRE·06:41 PM
Data Sourced
via MITRE·06:41 PM
DescriptionWeakness
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which systems are affected?

The issue affects Google Chrome on Mac before version 155.0.8059.39. The provided information does not identify impact on other operating systems or Chromium-based browsers.

2

What does an attacker need to exploit this vulnerability?

A remote attacker needs to cause a user to load a crafted HTML page. No additional prerequisites, such as authentication or local access, are stated.

3

What is the impact of successful exploitation?

Successful exploitation allows an attacker to read memory outside the sandbox. The provided information does not state whether code execution, data modification, or sandbox escape beyond memory disclosure is possible.

4

How can I determine whether a deployment is affected?

Check the Chrome version on Mac. Versions earlier than 155.0.8059.39 are affected according to the provided information.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203