CVE-2025-55028: JavaScript alerts could impede UI interaction or allow denial of service attacks

Published Aug 19, 2025
·
Updated

Malicious scripts utilizing repetitive JavaScript alerts could prevent client user interaction in some scenarios and allow for denial of service attacks

Affected Software

3 affected components
All of the following
Mozilla Firefox=142
Apple iOS
Mozilla Firefox Iphone Os<142.0

Event History

Aug 19, 2025
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·08:52 PM
Data Sourced
via MITRE·08:52 PM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2025-55028?

CVE-2025-55028 has been classified as a medium-severity vulnerability due to its potential for causing denial of service.

2

How do I fix CVE-2025-55028?

To remediate CVE-2025-55028, users should update to the latest versions of Mozilla Firefox and Apple iOS that include the security patches.

3

What types of attacks can CVE-2025-55028 facilitate?

CVE-2025-55028 can facilitate denial of service attacks by utilizing repetitive JavaScript alerts to disrupt user interaction.

4

Which versions of Firefox are affected by CVE-2025-55028?

CVE-2025-55028 specifically affects Mozilla Firefox version 142.

5

Is there a workaround for CVE-2025-55028?

Currently, the best practice is to apply updates to the affected software to mitigate the risks associated with CVE-2025-55028.

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