CVE-2026-7320
Received Received - Intake
Information Disclosure in Firefox Audio/Video Component

Publication date: 2026-04-28

Last updated on: 2026-05-01

Assigner: Mozilla Corporation

Description
Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.
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Meta Information
Published
2026-04-28
Last Modified
2026-05-01
Generated
2026-06-16
AI Q&A
2026-04-28
EPSS Evaluated
2026-06-15
NVD
CVE-2026-7320
EUVD
EUVD-2026-26057
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
mozilla firefox to 150.0.1 (exc)
mozilla firefox to 115.35.1 (exc)
mozilla thunderbird to 150.0.1 (exc)
mozilla thunderbird to 140.10.1 (exc)
mozilla firefox From 128.0 (inc) to 140.10.1 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
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Executive Summary

CVE-2026-7320 is a high-impact information disclosure vulnerability caused by incorrect boundary conditions in the Audio/Video component of Firefox ESR.

This flaw could potentially allow unauthorized access to sensitive information due to improper handling of data boundaries within the multimedia processing modules.

Impact Analysis

This vulnerability can lead to unauthorized disclosure of sensitive information by exploiting incorrect boundary conditions in the Audio/Video component.

An attacker could potentially access data that should be protected, leading to privacy breaches or exposure of confidential multimedia content.

Mitigation Strategies

To mitigate this vulnerability, you should update your Firefox installations to the fixed versions.

  • Upgrade Firefox to version 150.0.1 or later.
  • Upgrade Firefox ESR to version 140.10.1 or later.
  • Upgrade Firefox ESR to version 115.35.1 or later.
Compliance Impact

This vulnerability involves information disclosure due to incorrect boundary conditions in the Audio/Video component of Firefox ESR, potentially allowing unauthorized access to sensitive information.

Such unauthorized disclosure of sensitive information could impact compliance with data protection regulations like GDPR and HIPAA, which require safeguarding personal and sensitive data against unauthorized access.

However, the provided information does not explicitly detail the specific effects on compliance with these standards.

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