CVE-2019-5020: Virustotal Yara

Medium severity, CVSS 5.5. EPSS: 1.1% chance of exploitation in the next 30 days.

An exploitable denial of service vulnerability exists in the object lookup functionality of Yara 3.8.1. A specially crafted binary file can cause a negative value to be read to satisfy an assert, resulting in Denial of Service. An attacker can create a malicious binary to trigger this vulnerability.

Affected products

• Virustotal Yara: version 3.8.1 only

Published 2019-07-31. Last modified 2026-06-17.