GeoGebra vulnerabilities
Published CVEs affecting GeoGebra products: 3 record(s), with severity, exploitation and fixes.
CVE-2021-47877
High · 7.5
CWE-770 Jan 21, 2026
GeoGebra Graphing Calculator 6.0.631.0 - Denial Of Service
GeoGebra Graphing Calculator 6.0.631.0 contains a denial of service vulnerability that allows attackers to crash the application by inputting an oversized buffer. Attackers can generate a payload of 8000 repeated characters to overwhelm the input field and cause the application to become unresponsive.
CVE-2021-47876
High · 7.5
CWE-770 Jan 21, 2026
GeoGebra Classic 5.0.631.0-d - Denial of Service
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.
CVE-2021-47875
Critical · 9.8
CWE-770 Jan 21, 2026
GeoGebra CAS Calculator 6.0.631.0 - Denial of Service
GeoGebra CAS Calculator 6.0.631.0 contains a denial of service vulnerability that allows attackers to crash the application by generating a large buffer overflow. Attackers can create a payload with 8000 repeated characters and paste it into the calculator's input field to trigger an application crash.