CVE-2026-0886— Incorrect boundary conditions in the Graphics component
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I. Basic Information for CVE-2026-0886
Vulnerability Information
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Vulnerability Title
Incorrect boundary conditions in the Graphics component
Source: NVD (National Vulnerability Database)
Vulnerability Description
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox和Mozilla Firefox ESR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Mozilla Firefox ESR都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Firefox ESR是Firefox(Web浏览器)的一个延长支持版本。 Mozilla Firefox 147之前版本、Mozilla Firefox ESR 115.32之前版本和Mozilla Firefox ESR 140.7之前版本存在安全漏洞，该漏洞源于Graphics组件存在边界条件错误。
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 | 115.32 ~ 115.* | - | |
| Mozilla | Thunderbird | 140.7 ~ 140.* | - |
II. Public POCs for CVE-2026-0886
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2026-01-13 · 16 CVEs total
| CVE-2026-0877 | Mitigation bypass in the DOM: Security component | |
| CVE-2026-0878 | Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component | |
| CVE-2026-0879 | Sandbox escape due to incorrect boundary conditions in the Graphics component | |
| CVE-2026-0881 | Sandbox escape in the Messaging System component | |
| CVE-2026-0880 | Sandbox escape due to integer overflow in the Graphics component | |
| CVE-2026-0883 | Information disclosure in the Networking component | |
| CVE-2026-0882 | Use-after-free in the IPC component | |
| CVE-2026-0885 | Use-after-free in the JavaScript: GC component | |
| CVE-2026-0884 | Use-after-free in the JavaScript Engine component | |
| CVE-2026-0887 | Clickjacking issue, information disclosure in the PDF Viewer component | |
| CVE-2026-0888 | Information disclosure in the XML component | |
| CVE-2026-0890 | Spoofing issue in the DOM: Copy & Paste and Drag & Drop component | |
| CVE-2026-0889 | Denial-of-service in the DOM: Service Workers component | |
| CVE-2026-0891 | Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thun | |
| CVE-2026-0892 | Memory safety bugs fixed in Firefox 147 and Thunderbird 147 |
IV. Related Vulnerabilities
Same product: Firefox
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
V. Comments for CVE-2026-0886
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