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CVE-2025-4083

—
CVSS 3.1
9.1 critical
EPSS
<1%p36
Published
()
Modified
Description

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-653
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

No ingested article mentions this CVE yet.