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CVE-2025-6431

nvd nist
Published: Jun 24, 2025Modified: Apr 13, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Exploitability: 2.8 / Impact: 3.6
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

When a link can be opened in an external application, Firefox for Android will, by default, prompt the user before doing so. An attacker could have bypassed this prompt, potentially exposing the user to security vulnerabilities or privacy leaks in external applications. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 140.

Affected (1)

Products: Mozilla: Firefox
Mozilla
1 product
Firefox
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Firefox
Before 140.0
Running on/withPlatform Versions
Google
Android
All versions

Related CWEs

CWE-285
Improper Authorization
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

References (2)

Source: security@mozilla.org
Permissions Required
Source: security@mozilla.org
Vendor Advisory

Timeline

No history available yet.