CVE-2026-16353
Received Received - Intake

DOM Pointer Dereference in Mozilla Firefox

Publication date: 2026-07-21

Last updated on: 2026-07-21

Assigner: Mozilla Corporation

Description
Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-16353
EUVD
EUVD-2026-46198

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
mozilla firefox 153
mozilla firefox_esr 115.38
mozilla firefox_esr 140.13

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves an invalid pointer in the DOM Bindings (WebIDL) component of Firefox. It was patched in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.

Detection Guidance

This vulnerability is specific to Firefox browsers and can be detected by checking the installed version of Firefox or Firefox ESR. If the version is below Firefox 153, Firefox ESR 115.38, or Firefox ESR 140.13, the system is vulnerable. Use commands like 'firefox --version' or 'apt show firefox' to check the version.

Impact Analysis

An invalid pointer could lead to crashes, unexpected behavior, or potential code execution if exploited. Users running unpatched versions may be at risk.

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, Firefox ESR to version 115.38 or later, or Firefox ESR to version 140.13 or later. Disable automatic updates temporarily if needed, but prioritize updating to the patched versions as soon as possible.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-16353. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart