CVE-2021-47877

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductGeoGebra Graphing Calculato‪r‬
PublishedJan 21, 2026
First seenJan 21, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
GeoGebra GeoGebra Graphing Calculato‪r‬6.0.631.0—

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