CVE-2026-2801

HIGH

Firefox <148 - Memory Corruption

Title source: llm

Description

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148 and Thunderbird < 148.

Scores

CVSS v3 7.5
EPSS 0.0005
EPSS Percentile 16.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-754
Status published

Affected Products (2)

mozilla/firefox < 148.0
mozilla/thunderbird < 148.0

Timeline

Published Feb 24, 2026
Tracked Since Feb 24, 2026