CVE-2026-6775 concerns incorrect boundary conditions in the WebRTC component of Mozilla Firefox. This vulnerability was publicly disclosed and fixed in Firefox 150 as part of a security advisory that addressed multiple high and moderate impact vulnerabilities. The issue could potentially lead to security risks related to improper handling of data boundaries within WebRTC, but Mozilla rates the impact of this specific vulnerability as low. The fix is included in Firefox 150, which also resolves numerous other memory safety bugs.

The impact of CVE-2026-6775 is assessed as low by Mozilla. The vulnerability involves incorrect boundary conditions in the WebRTC component, which could potentially lead to memory safety issues. However, there are no known exploits in the wild targeting this vulnerability. It was fixed proactively in Firefox 150 alongside other security issues. The overall risk to users is limited if the browser is updated.

Mozilla has fixed this vulnerability in Firefox 150. Users should update to Firefox 150 or later to remediate this issue. Since this is a client-side application vulnerability, applying the official update is the recommended and effective mitigation. There is no indication from the vendor advisory that additional actions are required beyond updating the browser.