GCVE-VVD-NCSC-2025-343

Advisory PublishedCVSS 9.8/10

Vulnetix · Advisory published October 31, 2025

A vulnerability in Firefox versions prior to 144.0.2 allows a compromised child process to exploit a use-after-free issue in the GPU or browser process via WebGPU-related IPC calls, risking sandbox escape.

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Weaknesses (CWE)

CWE-416Use After Free

Risk Scores

CVSS 3.1

9.8/10

Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
Mozilla	vers:unknown/*	—	—

Aliases

CVE-2025-12380

Transitive aliases

EUVD-2025-36530 BDU:2025-14537 GHSA-mmmm-6m78-44q2 VVD-ANCHORE-2025-12380 VVD-CISA-2025-12380

References

advisory

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