CVE-2021-47876
GeoGebra Classic 5.0.631.0-d - Denial of Service
- State
- Published
- Severity
- 6.7 Medium
- Published
- Jan 21, 2026
- Updated
- Jan 22, 2026
- Reserved
- Jan 18, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.7 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products
| Product | Versions |
|---|---|
GeoGebra ClassicGeoGebra |
|
References
- ExploitDB-49654exploit
- Official Vendor Homepageproduct
- VulnCheck Advisory: GeoGebra Classic 5.0.631.0-d - Denial of Servicethird-party-advisory
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