{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-32661",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-13T10:44:26.447129Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-13T10:49:48.622Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GUARDIANWALL MailSuite (On-premises version)",
          "vendor": "Canon Marketing Japan Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Ver 1.4.00 to Ver 2.4.26"
            }
          ]
        },
        {
          "product": "GUARDIANWALL Mail Security Cloud (SaaS version)",
          "vendor": "Canon Marketing Japan Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "versions before the maintenance on April 30"
            },
            {
              "status": "affected",
              "version": "2026"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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\u0027s web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd with grdnwww user privilege."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
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            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "Stack-based buffer overflow",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-13T07:24:43.527Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://security-support.canon-its.jp/info_and_news/show/804?site_domain=GUARDIANWALL"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN35567473/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-32661",
    "datePublished": "2026-05-13T05:15:15.435Z",
    "dateReserved": "2026-05-11T00:11:34.095Z",
    "dateUpdated": "2026-05-13T10:49:48.622Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}