CVE-2026-32661
Published: May 13, 2026
Modified: May 13, 2026
CVSS v3.0
9.8
Description
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 Inc. | GUARDIANWALL MailSuite (On-premises version) | affected Ver 1.4.00 to Ver 2.4.26 |
Canon Marketing Japan Inc. | GUARDIANWALL Mail Security Cloud (SaaS version) | affected versions before the maintenance on April 30affected 2026 |
Weaknesses (CWE)
CVSS v3.0 Details
CVSS v3.0 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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