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CVE-2026-27852

🗓️ 28 Aug 2026 10:12:11Reported by OXType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

DoS via crafted email headers with excessive addresses or MIME parameters exhausting IMAP process memory.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-27852
28 Aug 202610:12
alpinelinux
cve
CVE
CVE-2026-27852
28 Aug 202610:12
cve
debiancve
Debian CVE
CVE-2026-27852
28 Aug 202610:12
debiancve
euvd
EUVD
EUVD-2026-67657
28 Aug 202610:12
euvd
fedora
Fedora
[SECURITY] Fedora 45 Update: dovecot-2.4.5-1.fc45
19 Sep 202600:17
fedora
fedora
Fedora
[SECURITY] Fedora 43 Update: dovecot-2.4.5-1.fc43
19 Sep 202600:58
fedora
fedora
Fedora
[SECURITY] Fedora 44 Update: dovecot-2.4.5-1.fc44
19 Sep 202601:14
fedora
mageia
Mageia
Updated dovecot package fixes security vulnerabilities
9 Sep 202604:15
mageia
nvd
NVD
CVE-2026-27852
28 Aug 202612:16
nvd
nessus
Tenable Nessus
openSUSE 16: dovecot24 / dovecot24-backend-mysql / dovecot24-backend-pgsql / etc (openSUSE-SU-2026:21720-1)
3 Sep 202600:00
nessus
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "core"
    ],
    "product": "OX Dovecot Pro",
    "vendor": "Open-Xchange GmbH",
    "versions": [
      {
        "lessThan": "2.3.22.2",
        "status": "affected",
        "version": "2.3.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.0.7",
        "status": "affected",
        "version": "3.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.1.6",
        "status": "affected",
        "version": "3.1.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "core"
    ],
    "product": "OX Dovecot CE",
    "vendor": "Open-Xchange GmbH",
    "versions": [
      {
        "lessThan": "2.4.5",
        "status": "affected",
        "version": "2.3.0",
        "versionType": "semver"
      }
    ]
  }
]

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