CVE-2021-40401: Debian Linux

High severity, CVSS 8.6. EPSS: 1.3% chance of exploitation in the next 30 days.

A use-after-free vulnerability exists in the RS-274X aperture definition tokenization functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and Gerbv forked 2.7.1. A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• Debian Debian Linux: version 11.0 only
• Fedoraproject Fedora: version 36 only
• Gerbv Project Gerbv: version 2.7.0 only; version 2.7.1 only

Published 2022-02-04. Last modified 2026-06-17.