CVE-2021-47875

CRITICAL
2026-01-21 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 26, 2026 - 15:04 vuln.today
Public exploit code
CVE Published
Jan 21, 2026 - 18:16 nvd
CRITICAL 9.8

Tags

Buffer Overflow Denial Of Service

Description

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.

Analysis

GeoGebra CAS Calculator 6.0.631.0 has a denial of service vulnerability that crashes the application through uncontrolled resource consumption triggered by crafted mathematical expressions.

Technical Context

GeoGebra CAS Calculator 6.0.631.0 fails to limit resource consumption (CWE-770) when processing certain mathematical expressions, allowing attackers to craft inputs that exhaust memory or CPU, crashing the application.

Affected Products

['GeoGebra CAS Calculator 6.0.631.0']

Remediation

Update GeoGebra. Be cautious opening worksheets from untrusted sources.

Priority Score

69
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +49
POC: +20

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CVE-2021-47875 vulnerability details – vuln.today
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