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CVE-2025-13021— Incorrect boundary conditions in the Graphics: WebGPU component

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 145之前版本存在安全漏洞，该漏洞源于Graphics WebGPU组件边界条件不正确。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.36% · P29

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions
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I. Basic Information for CVE-2025-13021

Vulnerability Information
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Vulnerability Title
Incorrect boundary conditions in the Graphics: WebGPU component
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
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 145之前版本存在安全漏洞，该漏洞源于Graphics WebGPU组件边界条件不正确。
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 145 ~ * -
Mozilla Thunderbird 145 ~ * -

II. Public POCs for CVE-2025-13021

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2025-13021

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Vendor Advisories for CVE-2025-13021 (2)

Same Patch Batch · Mozilla · 2025-11-11 · 16 CVEs total

CVE-2025-13027 Memory safety bugs fixed in Firefox 145 and Thunderbird 145
CVE-2025-13019 Same-origin policy bypass in the DOM: Workers component
CVE-2025-13020 Use-after-free in the WebRTC: Audio/Video component
CVE-2025-13017 Same-origin policy bypass in the DOM: Notifications component
CVE-2025-13018 Mitigation bypass in the DOM: Security component
CVE-2025-13026 Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component
CVE-2025-13024 JIT miscompilation in the JavaScript Engine: JIT component
CVE-2025-13025 Incorrect boundary conditions in the Graphics: WebGPU component
CVE-2025-13023 Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component
CVE-2025-13016 Incorrect boundary conditions in the JavaScript: WebAssembly component
CVE-2025-13022 Incorrect boundary conditions in the Graphics: WebGPU component
CVE-2025-13015 Spoofing issue in Firefox
CVE-2025-13014 Use-after-free in the Audio/Video component
CVE-2025-13013 Mitigation bypass in the DOM: Core & HTML component
CVE-2025-13012 Race condition in the Graphics component

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2025-13021

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