CVE-2021-47875Public exploit

Application crash via oversized pasted input

Published Jan 21, 2026 · Updated Jan 21, 2026

Denial of service in GeoGebra CAS Calculator 6.0.631.0 allows local users to crash the application via oversized pasted input. The calculator's Entrada input field accepts and processes an 8,000-character string without an effective input or resource limit. The user must run a payload generator and paste its output into the local desktop application; the demonstrated consequence is an application crash, not system compromise.

CVSS severity4.6
Medium
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in GeoGebra CAS Calculator 6.0.631.0 allows local users to crash the application via oversized pasted input. The calculator's Entrada input field accepts and processes an 8,000-character string without an effective input or resource limit. The user must run a payload generator and paste its output into the local desktop application; the demonstrated consequence is an application crash, not system compromise.

The record

CVE
CVE-2021-47875
Published
Jan 21, 2026
Updated
Jan 21, 2026
Vendor
GeoGebra
Product
GeoGebra CAS Calculator
Classifications
CWE-770, T1499.004
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.0.631.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

GeoGebra · GeoGebra CAS Calculatorversion=6.0.631.0

Published CVSS scores

4.6VulnCheckCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
9.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499.004Application or System Exploitation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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