CVE-2026-6778
Received Received - Intake
Invalid Pointer Vulnerability in Firefox Audio/Video Playback

Publication date: 2026-04-21

Last updated on: 2026-04-22

Assigner: Mozilla Corporation

Description
Invalid pointer 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
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 150.0 (exc)
mozilla thunderbird to 150.0 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
CWE-824 The product accesses or uses a pointer that has not been initialized.
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Executive Summary

This vulnerability involves an invalid pointer in the Audio/Video: Playback component of Firefox. It means that the software incorrectly handles memory references related to audio or video playback, which could potentially lead to unexpected behavior or crashes. The issue was fixed in Firefox version 150.

Impact Analysis

Exploitation of this vulnerability could cause Firefox to behave unpredictably during audio or video playback, potentially leading to application crashes or other unintended effects. However, specific impacts such as data loss or security breaches are not detailed.

Compliance Impact

There is no information available regarding the impact of this vulnerability on compliance with standards such as GDPR or HIPAA.

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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