CVE-2026-16402
Received Received - Intake

Integer Overflow in Firefox ImageLib Component

Vulnerability report for CVE-2026-16402, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-21

Last updated on: 2026-07-21

Assigner: Mozilla Corporation

Description

Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-21
Last Modified
2026-07-21
Generated
2026-07-21
AI Q&A
2026-07-21
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 153

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an integer overflow in the Graphics: ImageLib component of Firefox. 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 unexpected behavior or crashes.

Impact Analysis

An attacker could exploit this vulnerability to cause Firefox to crash or execute arbitrary code, potentially leading to data loss or unauthorized access to your system. Updating to Firefox 153 or later mitigates this risk.

Mitigation Strategies

Update Firefox to version 153 or later to address the integer overflow vulnerability in the Graphics: ImageLib component.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-16402. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart