CVE-2019-19648

Name	CVE-2019-19648
Description	In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
yara (PTS)	jessie	3.1.0-2+deb8u1	vulnerable
	stretch	3.5.0+dfsg-9	vulnerable
	buster	3.9.0-1	vulnerable
	bullseye	4.0.5-1	vulnerable
	bookworm	4.2.3-4	vulnerable
	sid, trixie	4.5.2-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
yara	source	wheezy	(unfixed)	end-of-life
yara	source	(unstable)	(unfixed)	unimportant

https://github.com/VirusTotal/yara/issues/1178
Negligible security impact