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 with grdnwww user privilege.
| Vendor | Product | Versions |
|---|---|---|
| canon marketing japan | guardianwall mailsuite (on-premises version) | Ver 1.4.00 to Ver 2.4.26, versions before the maintenance on April 30, 2026 |
Updated vendor and product names, corrected exploit availability to false, and provided a more detailed description of the vulnerability.
Initial creation
