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.

Security fix CVE-2016-10210 CVE-2016-10211 CVE-2017-5923 CVE-2017-5924

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
101599	Fedora 26 : yara (2017-2e94c7b518)	Nessus	Fedora Local Security Checks	high
99744	Fedora 24 : yara (2017-9941306740)	Nessus	Fedora Local Security Checks	high
99743	Fedora 25 : yara (2017-11ac1e31eb)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2017-5923

high

Tenable Plugins

high

high

high