CVE-2026-8094: Vulnerability in Mozilla Firefox
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
AI Analysis
Technical Summary
CVE-2026-8094 is a high-impact memory safety vulnerability affecting the WebRTC component in Mozilla Firefox ESR versions prior to 140.10.2. The issue involves memory corruption that could be exploited to execute arbitrary code. Mozilla fixed this vulnerability in Firefox ESR 140.10.2 and Thunderbird 140.10.2 as part of a security update addressing multiple memory safety bugs. The vulnerability is tracked under Bug 2035939 and was reported by Michael Froman. No evidence of active exploitation has been reported.
Potential Impact
This vulnerability allows an attacker to potentially execute arbitrary code on affected systems due to memory corruption in the WebRTC component. The CVSS v3.1 base score is 9.8 (critical), indicating network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. Exploitation could lead to full compromise of the affected Firefox or Thunderbird application.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 140.10.2 and Thunderbird 140.10.2. Users and administrators should update to these versions or later to remediate the issue. There is no indication that additional mitigation steps are required beyond applying the official patches.
CVE-2026-8094: Vulnerability in Mozilla Firefox
Description
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
CVSS v3.1
Score 9.8critical
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8094 is a high-impact memory safety vulnerability affecting the WebRTC component in Mozilla Firefox ESR versions prior to 140.10.2. The issue involves memory corruption that could be exploited to execute arbitrary code. Mozilla fixed this vulnerability in Firefox ESR 140.10.2 and Thunderbird 140.10.2 as part of a security update addressing multiple memory safety bugs. The vulnerability is tracked under Bug 2035939 and was reported by Michael Froman. No evidence of active exploitation has been reported.
Potential Impact
This vulnerability allows an attacker to potentially execute arbitrary code on affected systems due to memory corruption in the WebRTC component. The CVSS v3.1 base score is 9.8 (critical), indicating network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. Exploitation could lead to full compromise of the affected Firefox or Thunderbird application.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 140.10.2 and Thunderbird 140.10.2. Users and administrators should update to these versions or later to remediate the issue. There is no indication that additional mitigation steps are required beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-05-07T12:45:07.849Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-41/","vendor":"Mozilla"}]
Threat ID: 69fc8e61cbff5d8610ef2cc9
Added to database: 05/07/2026, 13:06:41 UTC
Last enriched: 07/29/2026, 21:34:54 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 192
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