CVE-2026-109730
Received Received - Intake

Integer Overflow in Firefox Graphics Component

Vulnerability report for CVE-2026-109730, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Mozilla Corporation

Description

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
mozilla firefox to 158 (inc)
mozilla firefox_esr to 115.43 (inc)
mozilla firefox_esr to 153.5 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This is an integer overflow vulnerability in Firefox's Graphics component. Integer overflow occurs when a calculation exceeds the maximum limit of an integer type, potentially leading to unexpected behavior or crashes.

Impact Analysis

An attacker could exploit this to cause application crashes or execute arbitrary code, potentially leading to system compromise. Users of affected Firefox versions may face instability or security risks.

Mitigation Strategies

Update Firefox to version 158 or later, Firefox ESR to version 115.43 or later, or Firefox ESR to version 153.5 or later to address the integer overflow in the Graphics component.

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