CVE-2026-12319
Analyzed Analyzed - Analysis Complete

Denial-of-Service in Firefox Audio/Video Playback

Vulnerability report for CVE-2026-12319, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-16

Last updated on: 2026-06-16

Assigner: Mozilla Corporation

Description

Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-06-16
Last Modified
2026-06-16
Generated
2026-07-06
AI Q&A
2026-06-16
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 152.0.0 (exc)
mozilla thunderbird to 152.0.0 (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.

Attack-Flow Graph

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Executive Summary

This vulnerability is a denial-of-service issue found in the Audio/Video: Playback component of Firefox. It allows an attacker to cause the application to become unavailable or unresponsive.

The issue was addressed and fixed in Firefox version 152.

Impact Analysis

This vulnerability can impact users by causing the Firefox browser to crash or become unresponsive when processing certain audio or video playback operations, leading to a denial-of-service condition.

Mitigation Strategies

To mitigate this vulnerability, update Firefox to version 152 or later where the issue has been fixed.

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EPSS Chart