What’s Vulnerable › Vulnerabilities

CVE-2019-5020

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-07-31 · updated 2026-06-17
• Weakness: CWE-617

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.

Affected products

• Yara Object: 3.8.1

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0781
• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0781

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