CVE-2026-16408
Received Received - Intake

Integer Overflow in Firefox Audio/Video Playback

Publication date: 2026-07-21

Last updated on: 2026-07-21

Assigner: Mozilla Corporation

Description
Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153.

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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
CVE-2026-16408
EUVD
EUVD-2026-46246

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 153

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is an integer overflow vulnerability in Firefox's Audio/Video Playback component. An integer overflow occurs when a calculation exceeds the maximum value an integer can hold, potentially causing unexpected behavior or crashes.

Detection Guidance

Detection requires checking Firefox version. Run 'firefox --version' to verify if it is below 153. If so, the system is vulnerable.

Impact Analysis

An attacker could exploit this to cause crashes, execute arbitrary code, or bypass security mechanisms in Firefox. Users running vulnerable versions may face system instability or security risks.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The description only mentions an integer overflow in Firefox's Audio/Video Playback component, fixed in Firefox 153.

Mitigation Strategies

Update Firefox to version 153 or later immediately. Disable automatic media playback in Firefox settings if an update is not immediately available.

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