CVE-2026-16373

Analyzed Analyzed - Analysis Complete

Information Disclosure in Firefox for Android Privacy Component

Publication date: 2026-07-21

Last updated on: 2026-07-24

Assigner: Mozilla Corporation

Description

Information disclosure in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 153.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-21

Last Modified

2026-07-24

Generated

2026-08-10

AI Q&A

2026-07-21

EPSS Evaluated

2026-08-09

NVD

CVE-2026-16373

EUVD

EUVD-2026-46209

Affected Vendors & Products

Vendor	Product	Version / Range
mozilla	firefox_mobile	to 153.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This is an information disclosure vulnerability in Firefox for Android's Privacy component. It was fixed in Firefox version 153. The issue allows unauthorized access to sensitive data through the affected component.

Detection Guidance

Detection requires checking the installed version of Firefox for Android. If the version is below 153, the system is vulnerable. No specific commands are provided for detection beyond version verification.

Impact Analysis

If exploited, this vulnerability could allow attackers to access private information stored or processed by the Firefox for Android Privacy component. Users of affected versions may have their personal data exposed.

Compliance Impact

This vulnerability could lead to non-compliance with data protection regulations like GDPR or HIPAA if it results in unauthorized access to personal or health data. Organizations may face legal penalties or reputational damage.

Mitigation Strategies

Update Firefox for Android to version 153 or later to address the information disclosure vulnerability in the Privacy component.

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