CVE-2021-47876— GeoGebra Classic 5.0.631.0-d - Denial of Service
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I. Basic Information for CVE-2021-47876
Vulnerability Information
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Vulnerability Title
GeoGebra Classic 5.0.631.0-d - Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
GeoGebra Classic 5.0.631.0-d contains a denial of service vulnerability in the input field that allows attackers to crash the application by sending oversized buffer content. Attackers can generate a large buffer of 800,000 repeated characters and paste it into the 'Entrada:' input field to trigger an application crash.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
GeoGebra Classic 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GeoGebra Classic是美国GeoGebra公司的一个数学工具软件。 GeoGebra Classic 5.0.631.0-d版本存在安全漏洞，该漏洞源于输入字段存在缓冲区溢出，可能导致应用程序崩溃。
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 |
|---|---|---|---|---|
| GeoGebra | GeoGebra Classic | 5.0.631.0 | - |
II. Public POCs for CVE-2021-47876
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · GeoGebra · 2026-01-21 · 3 CVEs total
| CVE-2021-47875 | 9.8 CRITICAL | GeoGebra CAS Calculator 6.0.631.0 - Denial of Service |
| CVE-2021-47877 | 7.5 HIGH | GeoGebra Graphing Calculator 6.0.631.0 - Denial Of Service |
IV. Related Vulnerabilities
Same weakness: CWE-770
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