CVE-2021-29971
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I. Basic Information for CVE-2021-29971
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
If a user had granted a permission to a webpage and saved that grant, any webpage running on the same host - irrespective of scheme or port - would be granted that permission. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 90.
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 权限许可和访问控制问题漏洞
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存在权限许可和访问控制问题漏洞，该漏洞源于应用程序没有正确施加安全限制。攻击者可利用该漏洞提升系统权限。
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-2021-29971
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-29971
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- https://bugzilla.mozilla.org/show_bug.cgi?id=1713638x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2021-28/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-29971
Same Patch Batch · Mozilla · 2021-08-05 · 10 CVEs total
| CVE-2021-29978 | Mozilla VPN 安全特征问题漏洞 | |
| CVE-2021-29977 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2021-29976 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2021-29975 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-29974 | Mozilla Firefox 权限许可和访问控制问题漏洞 | |
| CVE-2021-29973 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-29972 | Mozilla Firefox 资源管理错误漏洞 | |
| CVE-2021-29970 | Mozilla Thunderbird 资源管理错误漏洞 | |
| CVE-2021-29969 | Mozilla Thunderbird 命令注入漏洞 |
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-2021-29971
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