CVE-2025-9181

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CVSS 3.1

6.5 medium

EPSS

<1%p29

Published

Aug 19, 2025 (Aug 19, 2025)

Modified

Jun 17, 2026

Description

Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

Vendors: mozilla
Products: firefox, thunderbird
Weakness: CWE-457
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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