GeoGebra Graphing Calculato‪r‬ 6.0.631.0 allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in GeoGebra Graphing Calculato‪r‬ 6.0.631.0. It has been classified as problematic. Impacted is an unknown function. This manipulation causes allocation of resources. This vulnerability appears as CVE-2021-47877. The attack requires local access. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in GeoGebra Graphing Calculato‪r‬ 6.0.631.0 and classified as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was presented by Brian Rodriguez as 49653. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2021-47877 since 01/18/2026. The exploitation appears to be easy. An attack has to be approached locally. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (49653) and EUVD (EUVD-2026-3645). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/18/2026 CVE reserved
01/21/2026 +3 days Advisory disclosed
01/21/2026 +0 days VulDB entry created
01/22/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: 49653
Researcher: Brian Rodriguez
Status: Not defined

CVE: CVE-2021-47877 (🔒)
GCVE (CVE): GCVE-0-2021-47877
GCVE (VulDB): GCVE-100-342193
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/21/2026 20:07
Updated: 01/22/2026 13:53
Changes: 01/21/2026 20:07 (78), 01/22/2026 13:53 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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