Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.

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Fixes

Solution

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Workaround

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History

Tue, 21 Apr 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 21 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 21 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.
Title Incorrect boundary conditions in the WebRTC: Networking component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-21T13:49:59.431Z

Reserved: 2026-04-21T12:41:07.296Z

Link: CVE-2026-6776

cve-icon Vulnrichment

Updated: 2026-04-21T13:49:48.407Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-04-21T13:16:23.350

Modified: 2026-04-21T15:48:44.543

Link: CVE-2026-6776

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-21T17:00:11Z

Weaknesses