CVE-2022-21147: Estsoft Alyac

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

  • Estsoft Alyac: version 2.5.7.7 only

Published 2022-05-12. Last modified 2026-06-17.