ZeroHour

CVE-2025-4918

PoC ×2
CVSS 3.1
9.8 critical
EPSS
9%p95
Published
()
Modified
Description

An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-125, CWE-787
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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