CVE-2021-23963
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I. Basic Information for CVE-2021-23963
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
When sharing geolocation during an active WebRTC share, Firefox could have reset the webRTC sharing state in the user interface, leading to loss of control over the currently granted permission. This vulnerability affects Firefox < 85.
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 85.0版本之前存在安全漏洞。该漏洞源于在有效的WebRTC共享期间共享地理位置时，Firefox可能会在用户界面中重置webRTC共享状态，从而导致无法控制当前授予的权限。
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-2021-23963
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://bugzilla.mozilla.org/show_bug.cgi?id=1680793x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2021-03/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-23963
Same Patch Batch · Mozilla · 2021-02-26 · 25 CVEs total
| CVE-2021-23960 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23976 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23975 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23974 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23973 | Mozilla Thunderbird 安全漏洞 | |
| CVE-2021-23972 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23971 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23970 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23969 | Mozilla Thunderbird 安全漏洞 | |
| CVE-2021-23968 | Mozilla Thunderbird 安全漏洞 | |
| CVE-2021-23962 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23961 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23964 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2021-23959 | Mozilla Firefox 跨站脚本漏洞 | |
| CVE-2021-23958 | Mozilla Firefox 信息泄露漏洞 | |
| CVE-2021-23957 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23956 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23955 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23954 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-23953 | Mozilla Firefox 安全漏洞 |
Showing top 20 of 25 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-2021-23963
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