CVE-2026-118009
Received Received - Intake

Integer Overflow and Use-After-Free in Firefox Graphics Text

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description
Integer overflow, use-after-free in the Graphics: Text 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-2026-118009
EUVD
EUVD-2026-110907

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 an integer overflow and use-after-free vulnerability in Firefox's Graphics Text component. An integer overflow occurs when a calculation exceeds the maximum limit of an integer type, potentially leading to memory corruption. A use-after-free flaw happens when a program continues to use memory after it has been freed, which can cause crashes or arbitrary code execution.

Impact Analysis

This vulnerability could allow attackers to execute arbitrary code, crash the browser, or gain control over your system. If exploited, it may lead to data theft, malware installation, or unauthorized access to sensitive information while browsing.

Mitigation Strategies

Update Firefox to version 159 or later to address the integer overflow and use-after-free vulnerabilities in the Graphics: Text component.

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