VULNERABILITY INTELLIGENCE

CVE-2026-4718

CVSS score8.1 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2026-03-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Description

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

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-758

Primary references