CVE-2021-40394

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An out-of-bounds write vulnerability exists in the RS-274X aperture macro variables handling functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit 71493260). A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
n/aGerbvGerbv 2.7.0,Gerbv dev (commit b5f1eacd), Gerbv forked dev (commit 71493260)

References

Timeline

Published
Dec 22, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-40394: Critical severity, CVSS 9.8 | Vulnix