CVE-2026-16411
Received Received - Intake

Memory Corruption in Firefox

Publication date: 2026-07-21

Last updated on: 2026-07-21

Assigner: Mozilla Corporation

Description
Memory safety bugs present in Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153.

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Meta Information

Published
2026-07-21
Last Modified
2026-07-21
Generated
2026-07-21
AI Q&A
2026-07-21
EPSS Evaluated
N/A
NVD
CVE-2026-16411
EUVD
EUVD-2026-46249

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
mozilla firefox to 153 (exc)
mozilla firefox 153
mozilla firefox to 153 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves memory safety bugs in Firefox version 152. These bugs could lead to memory corruption and potentially allow attackers to execute arbitrary code if exploited. The issue was addressed in Firefox version 153.

Detection Guidance

This vulnerability affects Firefox versions prior to 153. To detect it, check your Firefox version by running 'firefox --version' or 'about:support' in the browser. If the version is below 153, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow attackers to run malicious code on your system, potentially leading to unauthorized access, data theft, or installation of malware. Users running Firefox 152 are at risk until they update to version 153.

Compliance Impact

This vulnerability does not provide specific details about compliance impacts on standards like GDPR or HIPAA. Memory safety issues in Firefox could potentially lead to unauthorized data access or code execution, which may affect compliance if exploited. However, no direct evidence or guidance is provided in the CVE data regarding regulatory impacts.

Mitigation Strategies

Upgrade Firefox to version 153 or later immediately. Use your package manager (e.g., 'apt upgrade firefox', 'yum update firefox') or download the latest version from Mozilla's official website.

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