CVE-2026-6764: Vulnerability in Mozilla Firefox
CVE-2026-6764 is a vulnerability in Mozilla Firefox involving incorrect boundary conditions in the DOM: Device Interfaces component. This issue was addressed and fixed in Firefox 150 and Firefox ESR 140. 10. The vulnerability is classified with moderate impact according to the Mozilla advisory. It is part of a broader set of security fixes released in these versions, which also include multiple high-impact memory safety bugs. There is no indication of known exploits in the wild for this specific vulnerability. Users running affected versions prior to Firefox 150 or Firefox ESR 140. 10 should update to the fixed versions to mitigate the risk.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-6764 concerns incorrect boundary conditions in the DOM: Device Interfaces component of Mozilla Firefox. This flaw could potentially lead to security issues, though the advisory classifies its impact as moderate. Mozilla fixed this vulnerability in Firefox 150 and Firefox ESR 140.10 as part of a security update that addressed multiple vulnerabilities, including high-impact memory safety bugs. The vendor advisory explicitly states the fix availability in these versions. No CVSS score is provided for this vulnerability, but the vendor impact rating is moderate.
Potential Impact
The impact of CVE-2026-6764 is considered moderate by Mozilla. It involves incorrect boundary conditions in a DOM component, which could lead to security issues such as memory corruption or other unintended behavior. However, there are no reports of exploitation in the wild. The vulnerability is part of a larger set of fixes that include high-impact memory safety bugs, indicating the overall security update is critical for maintaining browser security.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 150 and Firefox ESR 140.10. Users and administrators should update to these versions or later to remediate the issue. Since this is not a cloud service, remediation requires applying the update on client systems. There is no indication from the vendor advisory that additional mitigation steps are necessary beyond applying the official update.
CVE-2026-6764: Vulnerability in Mozilla Firefox
Description
CVE-2026-6764 is a vulnerability in Mozilla Firefox involving incorrect boundary conditions in the DOM: Device Interfaces component. This issue was addressed and fixed in Firefox 150 and Firefox ESR 140. 10. The vulnerability is classified with moderate impact according to the Mozilla advisory. It is part of a broader set of security fixes released in these versions, which also include multiple high-impact memory safety bugs. There is no indication of known exploits in the wild for this specific vulnerability. Users running affected versions prior to Firefox 150 or Firefox ESR 140. 10 should update to the fixed versions to mitigate the risk.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-6764 concerns incorrect boundary conditions in the DOM: Device Interfaces component of Mozilla Firefox. This flaw could potentially lead to security issues, though the advisory classifies its impact as moderate. Mozilla fixed this vulnerability in Firefox 150 and Firefox ESR 140.10 as part of a security update that addressed multiple vulnerabilities, including high-impact memory safety bugs. The vendor advisory explicitly states the fix availability in these versions. No CVSS score is provided for this vulnerability, but the vendor impact rating is moderate.
Potential Impact
The impact of CVE-2026-6764 is considered moderate by Mozilla. It involves incorrect boundary conditions in a DOM component, which could lead to security issues such as memory corruption or other unintended behavior. However, there are no reports of exploitation in the wild. The vulnerability is part of a larger set of fixes that include high-impact memory safety bugs, indicating the overall security update is critical for maintaining browser security.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 150 and Firefox ESR 140.10. Users and administrators should update to these versions or later to remediate the issue. Since this is not a cloud service, remediation requires applying the update on client systems. There is no indication from the vendor advisory that additional mitigation steps are necessary beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:40:57.986Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-32/","vendor":"Mozilla"}]
Threat ID: 69e7789c19fe3cd2cdd163f3
Added to database: 4/21/2026, 1:16:12 PM
Last enriched: 4/21/2026, 1:33:42 PM
Last updated: 4/21/2026, 3:14:34 PM
Views: 2
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