Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability affects Firefox < 144.0.2.
History

Thu, 30 Oct 2025 16:30:00 +0000

Type Values Removed Values Added
Title Use-after-free in WebGPU internals triggered from a compromised child process

Wed, 29 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 29 Oct 2025 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 28 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Description Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability affects Firefox < 144.0.2.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2025-10-28T14:06:34.814Z

Updated: 2025-10-30T16:14:13.547Z

Reserved: 2025-10-28T07:05:52.674Z

Link: CVE-2025-12380

cve-icon Vulnrichment

Updated: 2025-10-29T13:53:05.089Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-28T14:15:57.860

Modified: 2025-10-30T15:05:32.197

Link: CVE-2025-12380

cve-icon Redhat

No data.