CVE-2019-3972: Comodo Antivirus

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Comodo Antivirus versions 12.0.0.6810 and below are vulnerable to Denial of Service affecting CmdAgent.exe via an unprotected section object "<GUID>_CisSharedMemBuff". This section object is exposed by CmdAgent and contains a SharedMemoryDictionary object, which allows a low privileged process to modify the object data causing CmdAgent.exe to crash.

Affected products

• Comodo Antivirus: up to and including 12.0.0.6810

Published 2019-07-17. Last modified 2026-06-17.