CVE-2026-6781
Received Received - Intake
Denial-of-Service in Firefox Audio/Video Playback Component

Publication date: 2026-04-21

Last updated on: 2026-04-22

Assigner: Mozilla Corporation

Description
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
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Meta Information
Published
2026-04-21
Last Modified
2026-04-22
Generated
2026-06-16
AI Q&A
2026-04-21
EPSS Evaluated
2026-06-14
NVD
CVE-2026-6781
EUVD
EUVD-2026-24122
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 150.0 (exc)
mozilla thunderbird to 150.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.
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Executive Summary

This vulnerability is a denial-of-service issue in the Audio/Video Playback component of Mozilla Firefox. It means that an attacker could cause the application to become unresponsive or crash when handling audio or video playback.

Impact Analysis

The impact of this vulnerability is that it can cause Firefox to crash or become unresponsive during audio or video playback, potentially disrupting your browsing experience or any media consumption within the browser.

Mitigation Strategies

The vulnerability was fixed in Firefox 150. To mitigate this vulnerability, you should update your Firefox browser to version 150 or later.

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