CVE-2025-12380
published 2025-10-28CVE-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…
PriorityP347critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.31%
22.8th percentile
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
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 144.0.2-1 (sid) | firefox 144.0.2-1 (sid) |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 142.0 < 144.0.2 | 144.0.2 |
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
vendor_debian9.8CRITICAL
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OSV
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-rela
osv·2025-10-28·CVSS 9.8
CVE-2025-12380 [CRITICAL] 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-rela
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.
GHSA
GHSA-mmmm-6m78-44q2: 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-rela
ghsa_unreviewed·2025-10-28
CVE-2025-12380 [CRITICAL] CWE-416 GHSA-mmmm-6m78-44q2: 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-rela
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.
Debian
CVE-2025-12380: firefox - Starting with Firefox 142, it was possible for a compromised child process to tr...
vendor_debian·2025·CVSS 9.8
CVE-2025-12380 [CRITICAL] CVE-2025-12380: firefox - Starting with Firefox 142, it was possible for a compromised child process to tr...
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.
Scope: local
sid: resolved (fixed in 144.0.2-1)
Mozilla
Mozilla Foundation Security Advisory 2025-86: CVE-2025-12380
vendor_mozilla·CVSS 9.8
CVE-2025-12380 [CRITICAL] Mozilla Foundation Security Advisory 2025-86: CVE-2025-12380
Mozilla Foundation Security Advisory 2025-86
CVE: CVE-2025-12380
Product: Firefox
Impact: high
Fixed in: Firefox 144.0.2
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-10-28
Published