CVE-2026-16357
Received Received - Intake

Graphics Component Boundary Condition Error in Firefox

Vulnerability report for CVE-2026-16357, 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

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.

CVSS Scores

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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 3 associated CPEs
Vendor Product Version / Range
mozilla firefox 153
mozilla firefox_esr 115.38
mozilla firefox_esr 140.13

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 a boundary condition error in Firefox's Graphics component. It could allow improper memory handling during graphics operations, potentially leading to crashes or unexpected behavior.

Detection Guidance

Detection requires checking Firefox version against patched releases. For Firefox, run: firefox --version. For ESR versions, check: firefox --version | grep ESR. Affected versions are below Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.

Impact Analysis

An attacker could exploit this to cause crashes, execute arbitrary code, or gain unauthorized access to system resources through crafted graphics operations.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The description only mentions incorrect boundary conditions in the Graphics component without detailing potential data exposure or privacy implications.

Mitigation Strategies

Update Firefox to version 153 or later, Firefox ESR to version 115.38 or later, or Firefox ESR to version 140.13 or later to address the Graphics component boundary condition issue.

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