CVE-2026-118013
Received Received - Intake

Use-after-free in Firefox Layout Component

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description
Use-after-free in the Layout: Images, Video, and HTML Frames component. This vulnerability was fixed in Firefox 159.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-118013
EUVD
EUVD-2026-110911

Affected Vendors & Products

Currently, no data is known.

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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 is a use-after-free vulnerability in Firefox's Layout component, which handles images, video, and HTML frames. A use-after-free occurs when a program continues to use memory after it has been freed, potentially leading to crashes or arbitrary code execution.

Impact Analysis

This vulnerability could allow an attacker to execute arbitrary code on your system by tricking you into visiting a maliciously crafted webpage. It may also cause Firefox to crash repeatedly.

Mitigation Strategies

Update Firefox to version 159 or later to address the use-after-free vulnerability in the Layout component.

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