Resource exhaustion in Geogebra Cas Calculator
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Geogebra Cas Calculator — versions 6.0.631.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49655 (exploit)
- www.geogebra.org (product)
- www.vulncheck.com/advisories/geogebra-cas-calculator-denial-of-service (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47875?
- CVE-2021-47875 is a critical-severity vulnerability in Geogebra Cas Calculator, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 9.8/10. Published 2026-01-21.
- How severe is CVE-2021-47875?
- Critical severity. CVSS v3 base score is 9.8 out of 10.