CVE-2021-40400

Name	CVE-2021-40400
Description	An out-of-bounds read vulnerability exists in the RS-274X aperture macro outline primitive functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit d7f42a9a). A specially-crafted Gerber file can lead to information disclosure. 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)

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	2.7.0-2+deb11u1	vulnerable
	bullseye (security)	2.7.0-2+deb11u2	vulnerable
	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	(unstable)	2.9.2-1	unimportant

Notes

https://github.com/gerbv/gerbv/issues/79
https://github.com/gerbv/gerbv/pull/124
Fixed by: https://github.com/gerbv/gerbv/commit/caa6560d5d683f827c672fd5e380f89a8ef632b6
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1413
Crash in GUI tool, no security impact