CVE-2025-12380

Use-after-free in WebGPU internals triggered from a compromised child process

State
Published
Severity
9.8 Critical
Published
Oct 28, 2025
Updated
Aug 5, 2026
Reserved
Oct 28, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA-ADP

Weaknesses

Affected Products

ProductVersions
FirefoxMozilla
  • 144.0.2 and laterNot affected

References

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