CVE-2025-8364: Address bar spoofing using an blob URI on Firefox for Android

Published Jul 22, 2025
·
Updated

A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack. Note: This issue only affected Android operating systems. Other operating systems are unaffected.. This vulnerability was fixed in Firefox 141.

Other sources

A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack.Note: This issue only affected Android operating systems. Other operating systems are unaffected.

Mozilla

Affected Software

3 affected componentsFixes available
Mozilla Firefox<141
141
All of the following
Mozilla Firefox<141.0
Google Android

Event History

Jul 22, 2025
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Aug 19, 2025
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.

Frequently Asked Questions

1

What is the severity of CVE-2025-8364?

CVE-2025-8364 has been classified as a high severity vulnerability due to its potential to facilitate spoofing attacks.

2

How do I fix CVE-2025-8364?

To mitigate CVE-2025-8364, users should upgrade to Mozilla Firefox version 142 or later, which addresses the issue.

3

Who is affected by CVE-2025-8364?

CVE-2025-8364 specifically affects users of Mozilla Firefox on Android operating systems.

4

What type of attack is associated with CVE-2025-8364?

CVE-2025-8364 is associated with potential spoofing attacks that could mislead users about the true origin of a page.

5

Is CVE-2025-8364 limited to Firefox version 141?

Yes, CVE-2025-8364 only affects Mozilla Firefox version 141 and earlier on Android devices.

Contact

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