Reachable Assertion Affecting yara package, versions <3.9.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.08% (61st percentile)

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  • Snyk IDSNYK-ECHOLATEST-YARA-20079374
  • published24 Sept 2026
  • disclosed31 Jul 2019

Introduced: 31 Jul 2019

CVE-2019-5020  (opens in a new tab)
CWE-617  (opens in a new tab)
CWE-754  (opens in a new tab)

How to fix?

Upgrade Echo:latest yara to version 3.9.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream yara package and not the yara package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1