CVE-2026-2802

Published Feb 24, 2026

Last updated 3 days ago

Overview

Description
Race condition in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
Source
security@mozilla.org
NVD status
Analyzed
Products
firefox, thunderbird

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.2
Impact score
2.5
Exploitability score
1.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-362

Social media

Hype score
Not currently trending

Configurations