{
  "fix": "RHSA-2026:19364",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19364",
  "summary": "RHSA-2026:19364, released May 15, 2026, fixes 3 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 5 packages",
  "released": "2026-05-15T16:04:04Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-27858, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00804,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:19364",
  "appliesTo": [
    {
      "product": "dovecot",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot",
      "release": "RHEL 9",
      "fixedVersion": "1:2.3.16-18.el9_8",
      "supported": true
    },
    {
      "product": "dovecot-devel",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot-devel",
      "release": "RHEL 9",
      "fixedVersion": "1:2.3.16-18.el9_8",
      "supported": true
    },
    {
      "product": "dovecot-mysql",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot-mysql",
      "release": "RHEL 9",
      "fixedVersion": "1:2.3.16-18.el9_8",
      "supported": true
    },
    {
      "product": "dovecot-pgsql",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot-pgsql",
      "release": "RHEL 9",
      "fixedVersion": "1:2.3.16-18.el9_8",
      "supported": true
    },
    {
      "product": "dovecot-pigeonhole",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot-pigeonhole",
      "release": "RHEL 9",
      "fixedVersion": "1:2.3.16-18.el9_8",
      "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
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}