CVE-2026-0885

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CVSS 3.1

6.5 medium

EPSS

<1%p32

Published

Jan 13, 2026 (Jan 13, 2026)

Modified

Jun 17, 2026

Description

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Vendors: mozilla
Products: firefox, thunderbird
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.4%)

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