CVE-2021-47875

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.

CVSS v4.0

4.6 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.36% chance of exploitation in the next 30 days, 29th percentile

Published

2026-01-21

Updated

2026-01-22

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/49655

References

• CVE Record
• NVD entry

Related

• CVE-2021-47874
• CVE-2021-47876
• CVE-2021-47873
• CVE-2021-47877
• CVE-2021-47872
• CVE-2021-47878