CVE-2026-32661

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

GUARDIANWALL MailSuite vulnerable to stack-based buffer overflow

Overview GUARDIANWALL MailSuite provided by Canon Marketing Japan Inc. contains the following vulnerability. Stack-based buffer overflow in pop3wallpasswd command CWE-121 - CVE-2026-32661 This can be exploited only when the product is configured to run pop3wallpasswd with grdnwww user privilege T...

CVE-2026-32661

CVE-2026-32661 affects GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud (SaaS). The issue is a stack-based buffer overflow in the pop3wallpasswd command when run with the grdnwww user privilege, allowing a remote attacker to execute arbitrary code via a crafted web-service request. CVS...

CVE-2026-32661

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

VulnCheck KEV: CVE-2026-32661

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

PT-2026-40577

Name of the Vulnerable Software and Affected Versions GUARDIANWALL MailSuite affected versions not specified GUARDIANWALL Mail Security Cloud SaaS version affected versions not specified Description A stack-based buffer overflow allows a remote attacker to execute arbitrary code by sending a...