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CVE PROGRAM SOURCE RECORD9.3 Critical

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 reque

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Canon Marketing Japan Inc. GUARDIANWALL MailSuite (On-premises version)

  • Ver 1.4.00 to Ver 2.4.26affected

Canon Marketing Japan Inc. GUARDIANWALL Mail Security Cloud (SaaS version)

  • versions before the maintenance on April 30affected
  • 2026affected

References