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CVE-2025-12380— Use-after-free in WebGPU internals triggered from a compromised child process

Quick assessment

Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 144.0.2之前版本存在安全漏洞，该漏洞源于WebGPU相关IPC调用中存在释放后重用问题，可能导致子进程沙箱逃逸。

AI Predicted 7.8 Difficulty: Hard EPSS 0.32% · P24

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection

Affected Version Matrix 1

VendorProduct Version RangeStatus
Mozilla Firefox 144.0.2≤ * unaffected
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I. Basic Information for CVE-2025-12380

Vulnerability Information
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Vulnerability Title
Use-after-free in WebGPU internals triggered from a compromised child process
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 144.0.2之前版本存在安全漏洞，该漏洞源于WebGPU相关IPC调用中存在释放后重用问题，可能导致子进程沙箱逃逸。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mozilla Firefox 144.0.2 ~ * -

II. Public POCs for CVE-2025-12380

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III. Intelligence Information for CVE-2025-12380

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Vendor Advisories for CVE-2025-12380 (1)

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2025-12380

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