CVE-2021-45429: Virustotal Yara

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.

Affected products

• Virustotal Yara: up to and including 4.1.3

Published 2022-02-04. Last modified 2026-06-17.