What’s Vulnerable › Vulnerabilities

CVE-2021-40401

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-04 · updated 2026-06-17
• Weakness: CWE-252

Description

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 Linux: 11.0
• Fedoraproject Fedora: 36
• Gerbv: 2.7.0, 2.7.1-forked_dev

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1415
• https://www.debian.org/security/2022/dsa-5306
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1415
• https://www.debian.org/security/2022/dsa-5306

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