CVE-2026-117993
Received Received - Intake

Integer Overflow in Firefox Graphics Text Component

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description
Integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

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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-2026-117993
EUVD
EUVD-2026-111024

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 vulnerability is an integer overflow in Firefox's Graphics: Text component. An integer overflow occurs when a calculation produces a result larger than the maximum value that can be stored in the data type, potentially leading to memory corruption or other unexpected behavior.

Impact Analysis

An attacker could exploit this vulnerability to execute arbitrary code, crash the application, or gain unauthorized access to sensitive data. Users running vulnerable versions of Firefox may be at risk of remote code execution or denial of service attacks.

Mitigation Strategies

Update Firefox to version 159 or later and Firefox ESR to version 153.6 or later to address the integer overflow in the Graphics: Text component.

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