CVE-2021-47876
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.
Published:Jan 21, 2026
Last Modified:Apr 15, 2026
EPS:Jan 21, 2026
EPSS Score:0.00042
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Geogebra
Product
Classic
Geogebra
Classic
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
