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 with grdnwww user privilege.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://jvn.jp/en/jp/JVN35567473/
https://security-support.canon-its.jp/info_and_news/show/804?site_domain=GUARDIANWALL

Configurations

No configuration.

History

13 May 2026, 15:47

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-13 06:16

Updated : 2026-06-17 10:36

NVD link : CVE-2026-32661

Mitre link : CVE-2026-32661

CVE.ORG link : CVE-2026-32661

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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