CVE-2019-5020
5.5
MEDIUM
CVSS 3.1
EPSS 0.29%
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.
How to fix CVE-2019-5020
To remediate CVE-2019-5020, upgrade the affected package to a fixed version below.
- Debian/yara—upgrade to 3.9.0-1 or later
Is CVE-2019-5020 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.9.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |