CVE-2026-8401— Sandbox escape in the Profile Backup component
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I. Basic Information for CVE-2026-8401
Vulnerability Information
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Vulnerability Title
Sandbox escape in the Profile Backup component
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3.
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 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 150.0.3之前版本存在安全漏洞，该漏洞源于Profile Backup组件沙箱逃逸。
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
II. Public POCs for CVE-2026-8401
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|---|
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Same Patch Batch · Mozilla · 2026-05-12 · 5 CVEs total
| CVE-2026-8388 | Incorrect boundary conditions in the JavaScript Engine: JIT component | |
| CVE-2026-8389 | JIT miscompilation in the JavaScript Engine: JIT component | |
| CVE-2026-8390 | Use-after-free in the JavaScript: WebAssembly component | |
| CVE-2026-8391 | Other issue in the JavaScript Engine component |
IV. Related Vulnerabilities
Same product: Firefox
- CVE-2026-8391
Other issue in the JavaScript Engine component - CVE-2026-8390
Use-after-free in the JavaScript: WebAssembly component - CVE-2026-8389
JIT miscompilation in the JavaScript Engine: JIT component - CVE-2026-8388
Incorrect boundary conditions in the JavaScript Engine: JIT - CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2
Same vendor: Mozilla
- CVE-2026-8391
Other issue in the JavaScript Engine component - CVE-2026-8390
Use-after-free in the JavaScript: WebAssembly component - CVE-2026-8389
JIT miscompilation in the JavaScript Engine: JIT component - CVE-2026-8388
Incorrect boundary conditions in the JavaScript Engine: JIT - CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2
V. Comments for CVE-2026-8401
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