CVE-2026-32661 | Canon Marketing Japan GUARDIANWALL MailSuite Request stack-based overflow
A vulnerability was found in Canon Marketing Japan GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud. It has been rated as critical. Impacted is an unknown function of the component Request Handler. Performing a manipulation results in stack-based buffer overflow.
This vulnerability is cataloged as CVE-2026-32661. It is possible to initiate the attack remotely. There is no exploit available.