CVE-2023-40857: Virustotal Yara

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.

Affected products

• Virustotal Yara: version 4.3.2 only

Published 2023-08-28. Last modified 2026-06-17.