CVE-2025-23109: Address bar spoofing on iOS using long hostnames

Published Jan 10, 2025
·
Updated

Long hostnames in URLs could be leveraged to obscure the actual host of the website or spoof the website address

Affected Software

3 affected components
All of the following
Mozilla Firefox=134
Apple iOS
Mozilla Firefox Iphone Os<134.0

Event History

Jan 10, 2025
CVE Published
via Mozilla·12:00 AM
Jan 11, 2025
CVE Published
via MITRE·03:36 AM
Data Sourced
via MITRE·03:36 AM
Description
Data Sourced
via NVD·04:15 AM
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-2025-23109?

CVE-2025-23109 is categorized as a medium severity vulnerability due to its potential for spoofing website addresses.

2

How do I fix CVE-2025-23109?

To fix CVE-2025-23109, update Firefox for iOS to version 134 or later.

3

What versions of Firefox for iOS are affected by CVE-2025-23109?

CVE-2025-23109 affects Firefox for iOS versions prior to 134.

4

What is the impact of CVE-2025-23109 on users?

CVE-2025-23109 can mislead users by obscuring the actual host of a website, leading to potential phishing attacks.

5

Is there a workaround for CVE-2025-23109?

No formal workaround exists for CVE-2025-23109; updating to the latest version is the recommended solution.

Contact

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