CVE-2026-6770— Other issue in the Storage: IndexedDB component
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I. Basic Information for CVE-2026-6770
Vulnerability Information
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Vulnerability Title
Other issue in the Storage: IndexedDB component
Source: NVD (National Vulnerability Database)
Vulnerability Description
Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
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多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox等都是美国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 Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。 Mozilla多款产品存在安全漏洞，该漏洞源于Storage: IndexedDB组件问题。以下产品及版本受到影响：Firefox 150之前版本、Firefox ESR
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 | 140.10 ~ 140.* | - | |
| Mozilla | Thunderbird | 140.10 ~ 140.* | - |
II. Public POCs for CVE-2026-6770
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2026-04-21 · 41 CVEs total
| CVE-2026-6755 | Mitigation bypass in the DOM: postMessage component | |
| CVE-2026-6764 | Incorrect boundary conditions in the DOM: Device Interfaces component | |
| CVE-2026-6763 | Mitigation bypass in the File Handling component | |
| CVE-2026-6762 | Spoofing issue in the DOM: Core & HTML component | |
| CVE-2026-6761 | Privilege escalation in the Networking component | |
| CVE-2026-6760 | Mitigation bypass in the Networking: Cookies component | |
| CVE-2026-6759 | Use-after-free in the Widget: Cocoa component | |
| CVE-2026-6758 | Use-after-free in the JavaScript: WebAssembly component | |
| CVE-2026-6757 | Invalid pointer in the JavaScript: WebAssembly component | |
| CVE-2026-6756 | Mitigation bypass in Firefox for Android | |
| CVE-2026-6765 | Information disclosure in the Form Autofill component | |
| CVE-2026-6754 | Use-after-free in the JavaScript Engine component | |
| CVE-2026-6753 | Incorrect boundary conditions in the WebRTC component | |
| CVE-2026-6752 | Incorrect boundary conditions in the WebRTC component | |
| CVE-2026-6751 | Uninitialized memory in the Audio/Video: Web Codecs component | |
| CVE-2026-6749 | Information disclosure due to uninitialized memory in the Graphics: Canvas2D component | |
| CVE-2026-6750 | Privilege escalation in the Graphics: WebRender component | |
| CVE-2026-6748 | Uninitialized memory in the Audio/Video: Web Codecs component | |
| CVE-2026-6747 | Use-after-free in the WebRTC component | |
| CVE-2026-6746 | Use-after-free in the DOM: Core & HTML component |
Showing top 20 of 41 CVEs. View all on vendor page → →
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-2026-6770
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