CVE-2017-9304: Virustotal Yara

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.

Affected products

• Virustotal Yara: version 3.5.0 only

Published 2017-05-31. Last modified 2026-06-17.