CVE-2025-10527— Sandbox escape due to use-after-free in the Graphics: Canvas2D component
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I. Basic Information for CVE-2025-10527
Vulnerability Information
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Vulnerability Title
Sandbox escape due to use-after-free in the Graphics: Canvas2D component
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
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 Thunderbird 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Firefox和Mozilla Thunderbird存在安全漏洞，该漏洞源于未明确说明的漏洞原因。以下产品及版本受到影响：Firefox 143之前
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 | 140.3 ~ 140.* | - | |
| Mozilla | Thunderbird | 140.3 ~ 140.* | - |
II. Public POCs for CVE-2025-10527
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2025-09-16 · 12 CVEs total
| CVE-2025-10528 | Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D compon | |
| CVE-2025-10533 | Integer overflow in the SVG component | |
| CVE-2025-10532 | Incorrect boundary conditions in the JavaScript: GC component | |
| CVE-2025-10529 | Same-origin policy bypass in the Layout component | |
| CVE-2025-10537 | Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thun | |
| CVE-2025-10536 | Information disclosure in the Networking: Cache component | |
| CVE-2025-10530 | Spoofing issue in the WebAuthn component in Firefox for Android | |
| CVE-2025-10531 | Mitigation bypass in the Web Compatibility: Tooling component | |
| CVE-2025-10535 | Information disclosure, mitigation bypass in the Privacy component in Firefox for Android | |
| CVE-2025-10534 | Spoofing issue in the Site Permissions component | |
| CVE-2025-10290 | Opening links via the contextual menu in Focus for iOS would not update the toolbar UI cor |
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-2025-10527
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