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 calls. This may have been usable to escape the child process sandbox. This vulnerability was fixed in Firefox 144.0.2.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1993113	Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-86/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

History

30 Sep 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) A partir de Firefox 142, era posible que un proceso hijo comprometido activara un uso después de liberación en el proceso de la GPU o del navegador utilizando llamadas IPC relacionadas con WebGPU. Esto podría haber sido utilizable para escapar de la sandbox del proceso hijo. Esta vulnerabilidad fue corregida en Firefox 144.0.2.

Information

Published : 2025-10-28 14:15

Updated : 2026-10-08 11:10

NVD link : CVE-2025-12380

Mitre link : CVE-2025-12380

CVE.ORG link : CVE-2025-12380

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-416

Use After Free

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