CVE-2026-74984

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CVSS 3.1

6.8 medium

EPSS

<1%p8

Published

Aug 18, 2026 (28d ago)

Modified

Aug 25, 2026

Description

Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Vendors: mozilla
Products: firefox, thunderbird
Weakness: CWE-362
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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