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CVE-2025-4919

—
CVSS 3.1
8.8 high
EPSS
9%p95
Published
()
Modified
Description

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. 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:R/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (8.6%)

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