CVE-2021-21948: Anycubic Chitubox

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A heap-based buffer overflow vulnerability exists in the readDatHeadVec functionality of AnyCubic Chitubox AnyCubic Plugin 1.0.0. A specially-crafted GF file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• Anycubic Chitubox: version 1.0.0 only
• Chitubox Chitubox Basic: version 1.8.1 only

Published 2022-04-14. Last modified 2026-06-17.