CVE-2026-92056
Received Received - Intake

Use-after-free in Firefox Graphics Text Component

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description
Use-after-free in the Graphics: Text 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-2026-92056
EUVD
EUVD-2026-78519

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 is a use-after-free vulnerability in the Graphics Text component of Firefox. Use-after-free means the software tries to use memory after it has been freed, which can lead to crashes or arbitrary code execution. It was fixed in Firefox 156 and Firefox ESR 153.3.

Impact Analysis

An attacker could exploit this to crash your browser or run malicious code on your device. This could allow them to steal data, install malware, or take control of your system. Updating to the fixed versions mitigates the risk.

Mitigation Strategies

Update Firefox to version 156 or later and Firefox ESR to version 153.3 or later to address the use-after-free vulnerability in the Graphics: Text component.

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