CVE-2025-12380
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability27. percentile0.3%
Product
Mozilla Firefox
PublishedOct 28, 2025
First seenOct 28, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- mozilla firefox144.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | 142.0 ≤ v < 144.0.2 | 144.0.2 |
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