CVE-2026-92059
Received Received - Intake

DOM Parser Boundary Condition Flaw in Firefox

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description
Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-09-15
AI Q&A
2026-09-15
EPSS Evaluated
N/A
NVD
CVE-2026-92059
EUVD
EUVD-2026-78522

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox 156
mozilla firefox_esr 153.3

Helpful Resources

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 incorrect boundary conditions in the DOM Editor component of Firefox. It was patched in Firefox 156 and Firefox ESR 153.3.

Impact Analysis

An attacker could exploit this flaw to cause unexpected behavior or crashes in the DOM Editor component, potentially leading to memory corruption or arbitrary code execution.

Mitigation Strategies

Update Firefox to version 156 or later and Firefox ESR to version 153.3 or later to address the vulnerability in the DOM Editor component.

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