CVE-2026-109781
Received Received - Intake

Denial-of-Service in Firefox Printing Output

Vulnerability report for CVE-2026-109781, 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

Denial-of-service in the Printing: Output component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

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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 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 158 (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

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Executive Summary

This vulnerability is a denial-of-service issue in the Printing: Output component of Firefox. It was addressed in Firefox version 158 and Firefox ESR version 153.5.

Impact Analysis

The vulnerability could allow an attacker to crash the browser by exploiting the Printing: Output component, leading to a denial-of-service condition where the application becomes unresponsive.

Mitigation Strategies

Update Firefox to version 158 or later and Firefox ESR to version 153.5 or later to address the denial-of-service vulnerability in the Printing: Output component.

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