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CVE-2026-4718

—
CVSS 3.1
8.1 high
EPSS
<1%p22
Published
()
Modified
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.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-758
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

No ingested article mentions this CVE yet.