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CVE-2025-12380

CRITICAL CVSS: 9.8 Published: 2025-10-28 Modified: 2026-06-17

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.

Affected Platforms

Mozilla Firefox

Weakness Type

CWE-416

References