CVE-2021-47876GeoGebra Classic 5.0.631.0-d - Denial of Service
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-770
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Jan 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GeoGebra GeoGebra Classic geogebra:classic (from the name) | 5.0.631.0 | CNA record |
References
- https://www.exploit-db.com/exploits/49654exploit
- https://www.geogebra.orgproduct
- https://www.vulncheck.com/advisories/geogebra-classic-d-denial-of-servicethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.