CVE-2026-7320: Vulnerability in Mozilla Firefox
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.
AI Analysis
Technical Summary
CVE-2026-7320 is a high-severity information disclosure vulnerability due to incorrect boundary conditions in the Audio/Video component of Mozilla Firefox and Thunderbird. This vulnerability could lead to unauthorized information exposure. It was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, and Thunderbird 150.0.1 and 140.10.1. The issue is part of a set of memory safety bugs addressed in these releases. Mozilla's official security advisories confirm the fixes and recommend updating to these versions. No evidence of exploitation in the wild has been reported.
Potential Impact
The vulnerability allows information disclosure, which could compromise user privacy or leak sensitive data processed by the Audio/Video component. The CVSS score of 7.5 reflects a high impact on confidentiality with no impact on integrity or availability. There are no confirmed reports of active exploitation.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 150.0.1, Firefox ESR 140.10.1, and Thunderbird 150.0.1 and 140.10.1. Users and administrators should update to these versions to remediate the issue. Since the vendor has provided official patches, applying these updates is the recommended and effective mitigation. No additional actions are required beyond updating.
CVE-2026-7320: Vulnerability in Mozilla Firefox
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.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-7320 is a high-severity information disclosure vulnerability due to incorrect boundary conditions in the Audio/Video component of Mozilla Firefox and Thunderbird. This vulnerability could lead to unauthorized information exposure. It was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, and Thunderbird 150.0.1 and 140.10.1. The issue is part of a set of memory safety bugs addressed in these releases. Mozilla's official security advisories confirm the fixes and recommend updating to these versions. No evidence of exploitation in the wild has been reported.
Potential Impact
The vulnerability allows information disclosure, which could compromise user privacy or leak sensitive data processed by the Audio/Video component. The CVSS score of 7.5 reflects a high impact on confidentiality with no impact on integrity or availability. There are no confirmed reports of active exploitation.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 150.0.1, Firefox ESR 140.10.1, and Thunderbird 150.0.1 and 140.10.1. Users and administrators should update to these versions to remediate the issue. Since the vendor has provided official patches, applying these updates is the recommended and effective mitigation. No additional actions are required beyond updating.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-28T13:42:15.666Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-35/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-36/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-37/","vendor":"Mozilla"}]
Threat ID: 69f0c288cbff5d86101cc9e9
Added to database: 4/28/2026, 2:22:00 PM
Last enriched: 5/6/2026, 2:00:26 AM
Last updated: 6/12/2026, 8:24:48 PM
Views: 103
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