CVE-2025-12380
CRITICALFirefox 142.0-144.0.1 - Use-After-Free via WebGPU IPC Calls
Title source: llmDescription
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.
References (2)
Core 2
Core References
Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1993113
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-86/
Scores
CVSS v3
9.8
EPSS
0.0006
EPSS Percentile
19.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-416
Status
published
Products (2)
mozilla/firefox
142.0 - 144.0.2
Mozilla/Firefox
144.0.2
Published
Oct 28, 2025
Tracked Since
Feb 18, 2026