CVE-2017-5923

Name	CVE-2017-5923
Description	libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yara_yyparse function.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium
Debian Bugs	859821

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	fixed
	stretch	3.5.0+dfsg-9	fixed
	buster	3.9.0-1	fixed
	bullseye, sid	3.11.0-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
yara	source	(unstable)	3.5.0+dfsg-9			859821
yara	source	jessie	3.1.0-2+deb8u1

https://github.com/VirusTotal/yara/issues/597