WebRTC Component Vulnerability in Firefox by Mozilla
CVE-2026-6775

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 21 April 2026

What is CVE-2026-6775?

A vulnerability has been identified in the WebRTC component of Firefox, arising from incorrect boundary conditions. This flaw could potentially lead to unexpected behavior and security implications for users engaging in real-time communications. Mozilla has released a fix in version 150 of Firefox to address this issue and enhance user protection.

Affected Version(s)

Firefox 150

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2021768

https://www.mozilla.org/security/advisories/mfsa2026-30/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Apr 21, 2026
Vulnerability Reserved
Apr 21, 2026

Credit

Nan Wang

CVE-2026-6775 Data

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