CVE-2026-32661
CRITICAL
NVD
CVSS Score
9.8
Severity
CRITICAL
Published
May 13, 2026
Vendor
unknown
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.