CVE-2021-40401

HIGH

Gerbv <2.7.0-dev - Use After Free

Title source: llm

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.

References (3)

[Exploit, Third Party Advisory] https://talosintelligence.com/vulnerability_reports/TALOS-2021-1415

[Third Party Advisory] https://www.debian.org/security/2022/dsa-5306

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/

Scores

CVSS v3 8.6

EPSS 0.0027

EPSS Percentile 50.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Classification

CWE

CWE-252

Status published

Affected Products (4)

gerbv_project/gerbv

fedoraproject/fedora

debian/debian_linux

Timeline

Published Feb 04, 2022

Tracked Since Feb 18, 2026