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CVE-2026-109774: Vulnerability in Mozilla Firefox

0
Medium
VulnerabilityCVE-2026-109774cvecve-2026-109774
Published: 10/13/2026 (10/13/2026, 12:29:34 UTC)
Source: CVE Database V5
Vendor/Project: Mozilla
Product: Firefox

Description

Invalid pointer, undefined behavior in the DOM: Notifications component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Affected software

Mozilla

Firefox

Mozilla

Thunderbird

GitHub Actionsmore threats →ai
mozilla/firefox
pkg:github/mozilla/firefox
Affected versions
<158

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/13/2026, 13:19:18 UTC

Technical Analysis

This vulnerability relates to an invalid pointer and undefined behavior within the DOM Notifications component of Mozilla Firefox. It was identified and subsequently fixed in Firefox 158. No further technical details or exploitation methods are provided in the source data.

Potential Impact

The vulnerability could potentially lead to undefined behavior in the browser's DOM Notifications component, which might affect stability or security. However, no specific impact scenarios or exploitation details are provided.

Mitigation Recommendations

A fix for this vulnerability is available in Firefox version 158. Users and administrators should update to Firefox 158 or later to remediate this issue.

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Technical Details

Data Version
5.2
Assigner Short Name
mozilla
Date Reserved
2026-10-13T00:49:00.780Z
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.mozilla.org/security/advisories/mfsa2026-106/","vendor":"Mozilla"}]

Threat ID: 6ace2c512cdf04f65661d574

Added to database: 10/13/2026, 13:04:17 UTC

Last enriched: 10/13/2026, 13:19:18 UTC

Last updated: 10/13/2026, 18:57:33 UTC

Views: 7

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