High 7.5Published Jan 21, 2026

CVE-2021-47877GeoGebra Graphing Calculato‪r‬ 6.0.631.0 - Denial Of Service

Updated under an hour ago (Oct 28, 2026, 6:50 AM ET)

Does this affect you?

It affects GeoGebra Graphing Calculato‪r‬. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for GeoGebra Graphing Calculato‪r‬

Exploited in the last 30 days

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.

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

Affected products

GeoGebra GeoGebra Graphing Calculato‪r‬ geogebra:graphing_calculato_r (from the name)	6.0.631.0	CNA record

References

References

https://www.exploit-db.com/exploits/49653	exploit
https://www.geogebra.org	product
https://www.vulncheck.com/advisories/geogebra-graphing-calculator-denial-of-service	third-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.