CVE-2025-10530: Spoofing issue in the WebAuthn component in Firefox for Android
Published Sep 16, 2025
·Updated
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
Affected Software
5 affected componentsFixes available
Mozilla Firefox<143
Mozilla Firefox<143
143
Mozilla Thunderbird<143
143
Mozilla Firefox<143.0
Mozilla Thunderbird<143.0
Event History
Sep 16, 2025
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Updated
via Mozilla·12:00 AM
Affected Software
CVE Published
via MITRE·12:26 PM
Data Sourced
via MITRE·12:26 PM
Description
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of CVE-2025-10530?
CVE-2025-10530 is classified as a critical vulnerability in Firefox versions prior to 143.
2
How do I fix CVE-2025-10530?
To fix CVE-2025-10530, update Firefox to version 143 or later.
3
What type of vulnerability is CVE-2025-10530?
CVE-2025-10530 is a security vulnerability affecting the Firefox browser.
4
What versions of Firefox are affected by CVE-2025-10530?
CVE-2025-10530 affects all versions of Firefox prior to 143.
5
Is there a workaround for CVE-2025-10530?
There is no official workaround for CVE-2025-10530; updating to a secure version is recommended.