VULNERABILITY INTELLIGENCE

CVE-2019-5020

CVSS score5.5 MEDIUM
EPSS probability1.08%
CISA KEVNot currently listed
Published2019-07-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-617: Reachable Assertion
  • CWE-754: Improper Check for Unusual or Exceptional Conditions

Primary references