cbcvebase.
CVE-2025-12380
published 2025-10-28

CVE-2025-12380: 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…

critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
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

3 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 144.0.2-1 (sid)firefox 144.0.2-1 (sid)
mozillafirefox
mozillafirefox>= 142.0 < 144.0.2144.0.2

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL