CVE-2020-28598: PRUSA3D Prusaslicer

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

An out-of-bounds write vulnerability exists in the Admesh stl_fix_normal_directions() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted AMF 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 2021-07-08. Last modified 2026-06-17.