cvedb.io
CVE-2026-4705
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-03-24T13:16:06.403 · Last modified 2026-06-17T10:57:04.517

Summary

Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.