CVE-2025-13023

CRITICAL

Firefox < 145 - Buffer Overflow

Title source: llm

Description

Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 145 and Thunderbird < 145.

References (3)

Scores

CVSS v3 9.8
EPSS 0.0006
EPSS Percentile 19.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-703
Status published

Affected Products (1)

mozilla/firefox < 145.0

Timeline

Published Nov 11, 2025
Tracked Since Feb 18, 2026