Critical severity9.8NVD Advisory· Published May 13, 2026· Updated May 13, 2026
CVE-2026-32661
CVE-2026-32661
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.
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Affected products
2Patches
Vulnerability mechanics
References
2News mentions
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