{
  "fix": "OPENSUSE-SU-2026:20554-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20554-1",
  "summary": "OPENSUSE-SU-2026:20554-1, released April 16, 2026, fixes 10 CVEs in dovecot24 (version 2.4.3-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "dovecot24 security update",
  "released": "2026-04-16T13:10:27Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-27858, high severity",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00804,
  "maxCvss": 8.2,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:20554-1",
  "appliesTo": [
    {
      "product": "dovecot24",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot24",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.3-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-27858",
      "url": "https://patchblox.com/security/cve/CVE-2026-27858",
      "title": "dovecot23: This update for dovecot23 fixes the following issues:\n\n- CVE-2024-23184: parsing of messages containing many address...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00804,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-59032",
      "url": "https://patchblox.com/security/cve/CVE-2025-59032",
      "title": "dovecot: ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.0073,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27857",
      "url": "https://patchblox.com/security/cve/CVE-2026-27857",
      "title": "dovecot23: This update for dovecot23 fixes the following issues:\n\n- CVE-2024-23184: parsing of messages containing many address...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00679,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-59028",
      "url": "https://patchblox.com/security/cve/CVE-2025-59028",
      "title": "dovecot: When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authent...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00464,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-24031",
      "url": "https://patchblox.com/security/cve/CVE-2026-24031",
      "title": "dovecot: Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27856",
      "url": "https://patchblox.com/security/cve/CVE-2026-27856",
      "title": "dovecot23: This update for dovecot23 fixes the following issues:\n\n- CVE-2024-23184: parsing of messages containing many address...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.9,
      "epss": 0.00399,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27859",
      "url": "https://patchblox.com/security/cve/CVE-2026-27859",
      "title": "dovecot23: This update for dovecot23 fixes the following issues:\n\n- CVE-2024-23184: parsing of messages containing many address...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00381,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27855",
      "url": "https://patchblox.com/security/cve/CVE-2026-27855",
      "title": "dovecot23: This update for dovecot23 fixes the following issues:\n\n- CVE-2024-23184: parsing of messages containing many address...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.9,
      "epss": 0.00316,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27860",
      "url": "https://patchblox.com/security/cve/CVE-2026-27860",
      "title": "dovecot: If auth_username_chars is empty, it is possible to inject arbitrary LDAP filter to Dovecot\u0027s LDAP authentication",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00297,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-59031",
      "url": "https://patchblox.com/security/cve/CVE-2025-59031",
      "title": "dovecot: Dovecot has provided a script to use for attachment to text conversion",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00294,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T01:44:33Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}