{
  "fix": "OPENSUSE-SU-2026:21109-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21109-1",
  "summary": "OPENSUSE-SU-2026:21109-1, released June 19, 2026, fixes 5 CVEs in dovecot24 (version 2.4.4-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "dovecot24 security update",
  "released": "2026-06-19T17:08:41Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-27851, rated Critical",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00621,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21109-1",
  "appliesTo": [
    {
      "product": "dovecot24",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot24",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.4-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-27851",
      "url": "https://patchblox.com/security/cve/CVE-2026-27851",
      "title": "dovecot24: lib-var-expand: safe filter leaks to all following pipelines (bsc#1265146).",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00406,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42006",
      "url": "https://patchblox.com/security/cve/CVE-2026-42006",
      "title": "dovecot: An attacker can cause uncontrolled memory usage with excessive bracing over IMAP",
      "priority": "High",
      "severity": "important",
      "cvss": 7.5,
      "epss": 0.00621,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-40016",
      "url": "https://patchblox.com/security/cve/CVE-2026-40016",
      "title": "dovecot23: Sieve :contains/:matches O(NxM) substring match bypasses sieve_max_cpu_time limit (bsc#1265148).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00338,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-40020",
      "url": "https://patchblox.com/security/cve/CVE-2026-40020",
      "title": "dovecot23: IMAP folders can be shared-spammed to everyone (bsc#1265149).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.0026,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33603",
      "url": "https://patchblox.com/security/cve/CVE-2026-33603",
      "title": "dovecot23: login: base64 input can contain tabs that bypass IPC protection (bsc#1265147).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00214,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T01:43:54Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}