VULNERABILITY INTELLIGENCE

CVE-2025-12380

CVSS score9.8 CRITICAL
EPSS probability0.34%
CISA KEVNot currently listed
Published2025-10-28
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 was fixed in Firefox 144.0.2.

Weakness classification

  • CWE-416: Use After Free

Primary references