JVNDB-2026-000075

Vulnerability from jvndb - Published: 2026-05-13 15:41 - Updated:2026-05-13 15:41
Severity ?
Summary
Bytello Share (Windows Edition) installer executable insecurely loads Dynamic Link Libraries
Details
GUARDIANWALL MailSuite provided by Canon Marketing Japan Inc. contains the following vulnerability.
  • Stack-based buffer overflow in pop3wallpasswd command (CWE-121) - CVE-2026-32661
The developer states that attacks exploiting the vulnerability has been observed in GUARDIANWALL MailSuite (On-premises version). Canon Marketing Japan Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Canon Marketing Japan Inc. coordinated under the Information Security Early Warning Partnership.
Impacted products
Show details on JVN DB website

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000075.html",
  "dc:date": "2026-05-13T15:41+09:00",
  "dcterms:issued": "2026-05-13T15:41+09:00",
  "dcterms:modified": "2026-05-13T15:41+09:00",
  "description": "GUARDIANWALL MailSuite provided by Canon Marketing Japan Inc. contains the following vulnerability.  \u003ca href=\u0027https://cwe.mitre.org/data/definitions/121.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\r\n\u003cul\u003e\u003cli\u003eStack-based buffer overflow in pop3wallpasswd command (CWE-121) - CVE-2026-32661\u003c/li\u003e\u003c/ul\u003eThe developer states that attacks exploiting the vulnerability has been observed in GUARDIANWALL MailSuite (On-premises version).\r\n\r\nCanon Marketing Japan Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN.\r\nJPCERT/CC and Canon Marketing Japan Inc. coordinated under the Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000075.html",
  "sec:cpe": {
    "#text": "cpe:/a:misc:bytello_bytello_share_for_windows",
    "@product": "Bytello Share (Windows Edition)",
    "@vendor": "Bytello Ltd.",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "7.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000075",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN98871848/index.html",
      "@id": "JVN#98871848",
      "@source": "JVN"
    },
    {
      "#text": "https://jvn.jp/en/ta/JVNTA91240916/",
      "@id": "JVNTA#91240916",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-44612",
      "@id": "CVE-2026-44612",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Bytello Share (Windows Edition) installer executable insecurely loads Dynamic Link Libraries"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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