Lucene search
+L

CVE-2026-33263

🗓️ 28 Aug 2026 10:12:12Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 31 Views

epoll panic crash in submission-login when mail_max_userip_connections reached, causing DoS.

Related
Affected
Refs
[
  {
    "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"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

03 Sep 2026 18:13Current
7.1High risk
Vulners AI Score7.1
CVSS 3.14.3
EPSS0.00554
SSVC
31