Copyright © 2012 Red Hat, Inc. All rights reserved. Moderate 2026-02-24T13:33:30 firefox: thunderbird: Race condition in the JavaScript: GC component 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Race condition in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Race condition in the JavaScript: GC component

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory. Red Hat Enterprise Linux 10 Not affected firefox Red Hat Enterprise Linux 10 Not affected rhel10/firefox-flatpak Red Hat Enterprise Linux 10 Not affected rhel10/thunderbird-flatpak Red Hat Enterprise Linux 10 Not affected thunderbird Red Hat Enterprise Linux 6 Not affected firefox Red Hat Enterprise Linux 6 Not affected thunderbird Red Hat Enterprise Linux 7 Not affected firefox Red Hat Enterprise Linux 7 Not affected thunderbird Red Hat Enterprise Linux 8 Not affected firefox Red Hat Enterprise Linux 8 Not affected thunderbird Red Hat Enterprise Linux 9 Not affected firefox Red Hat Enterprise Linux 9 Not affected thunderbird https://www.cve.org/CVERecord?id=CVE-2026-2802 https://nvd.nist.gov/vuln/detail/CVE-2026-2802 https://www.mozilla.org/security/advisories/mfsa2026-13/#CVE-2026-2802 https://www.mozilla.org/security/advisories/mfsa2026-16/#CVE-2026-2802