CVE-2020-28594: PRUSA3D Prusaslicer

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A use-after-free vulnerability exists in the _3MF_Importer::_handle_end_model() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted 3MF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• PRUSA3D Prusaslicer: version 2.2.0 only

Published 2021-08-17. Last modified 2026-06-17.