CVE-2021-47876
HIGHGeoGebra Classic <5.0.631.0-d - DoS
Title source: llmDescription
GeoGebra Classic 5.0.631.0-d contains a denial of service vulnerability in the input field that allows attackers to crash the application by sending oversized buffer content. Attackers can generate a large buffer of 800,000 repeated characters and paste it into the 'Entrada:' input field to trigger an application crash.
Exploits (1)
exploitdb
WORKING POC
by Brian Rodriguez · pythonlocalwindows
https://www.exploit-db.com/exploits/49654
Scores
CVSS v3
7.5
EPSS
0.0004
EPSS Percentile
12.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-770
Status
published
Products (1)
GeoGebra/GeoGebra Classic
5.0.631.0
Published
Jan 21, 2026
Tracked Since
Feb 18, 2026