CVE-2026-16409

Undergoing Analysis Undergoing Analysis - In Progress

Security: PSM Component Invalid Pointer Issue Fixed in Firefox 153

Publication date: 2026-07-21

Last updated on: 2026-07-24

Assigner: Mozilla Corporation

Description

Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 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-2026-16409

EUVD

EUVD-2026-46247

Affected Vendors & Products

Vendor	Product	Version / Range
mozilla	thunderbird	to 153.0 (exc)
mozilla	firefox	to 153.0.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-824	The product accesses or uses a pointer that has not been initialized.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Firefox's Security: PSM component caused by an invalid pointer. It was patched in Firefox version 153.

Detection Guidance

Detection requires checking Firefox version. If using Firefox 153 or earlier, the system is vulnerable. Update to Firefox 153 or later to remediate.

Impact Analysis

An invalid pointer in the Security: PSM component could lead to crashes or unexpected behavior in Firefox, potentially allowing attackers to execute arbitrary code or access sensitive data.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. Without additional context on data exposure or processing implications, its effect on compliance cannot be determined.

Mitigation Strategies

Update Firefox to version 153 or later to address the invalid pointer vulnerability in the Security: PSM component.

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