CVE-2019-5020

MEDIUM

Yara 3.8.1 - Denial of Service via Malicious Binary File

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0781

Scores

CVSS v3 5.5
EPSS 0.0108
EPSS Percentile 60.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-754 CWE-617
Status published
Products (1)
virustotal/yara 3.8.1
Published Jul 31, 2019
Tracked Since Feb 18, 2026