CVE-2026-6775
Boundary Error in Firefox WebRTC Component Causes Potential Exploits
Publication date: 2026-04-21
Last updated on: 2026-04-22
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 150.0 (exc) |
| mozilla | thunderbird | to 150.0 (exc) |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves incorrect boundary conditions in the WebRTC component of Firefox. It means that the software did not properly handle certain limits or edges in data processing within WebRTC, which could potentially lead to unexpected behavior or security issues. The problem was fixed in Firefox version 150.
How can this vulnerability impact me? :
Incorrect boundary conditions in a WebRTC component could potentially allow attackers to exploit the software, possibly leading to crashes, data corruption, or unauthorized access. However, specific impacts are not detailed in the provided information.
What immediate steps should I take to mitigate this vulnerability?
The vulnerability was fixed in Firefox 150. To mitigate this vulnerability, you should update your Firefox browser to version 150 or later.