CRITICAL SeverityCVSS 4.09.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVE-2026-32661

Last updated May 13, 2026 · Published May 13, 2026

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.

Affected products

1 listed

Canon Marketing Japan Inc.:GUARDIANWALL Mail Security Cloud (SaaS version); Canon Marketing Japan Inc.:GUARDIANWALL MailSuite (On-premises version)

Mappings

CWE

CWE-121

CAPEC

None listed.