CVE-2021-40394

Name	CVE-2021-40394
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DSA-5306-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
gerbv (PTS)	buster	2.7.0-1+deb10u1	vulnerable
	buster (security)	2.7.0-1+deb10u2	vulnerable
	bullseye (security), bullseye	2.7.0-2+deb11u2	fixed
	bookworm, sid	2.9.6-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gerbv	source	bullseye	2.7.0-2+deb11u2		DSA-5306-1
gerbv	source	(unstable)	2.8.1-1

Notes

[buster] - gerbv <no-dsa> (Minor issue)
[stretch] - gerbv <no-dsa> (Minor issue)
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1405
https://github.com/advisories/GHSA-936x-jwpc-5p28
https://github.com/gerbv/gerbv/commit/8d7e005f8783d92de74192af21303619bef7541f (v2.8.1-rc.1)