{
  "fix": "SUSE-SU-2026:21208-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-21208-1",
  "summary": "SUSE-SU-2026:21208-1, 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": "2026-04-16T13:15:05Z",
  "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/SUSE-SU-2026:21208-1",
  "appliesTo": [
    {
      "product": "dovecot24",
      "productUrl": "https://patchblox.com/security/product/linux/dovecot24",
      "release": "sles 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: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901).",
      "priority": "High",
      "severity": "IMPORTANT",
      "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": "dovecot23: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902).",
      "priority": "High",
      "severity": "IMPORTANT",
      "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: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898).",
      "priority": "High",
      "severity": "IMPORTANT",
      "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": "dovecot23: Invalid base64 authentication can cause DoS for other logins (bsc#1260894).",
      "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": "dovecot24: SQL injection possible if auth_username_chars is configured empty",
      "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: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899).",
      "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: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897).",
      "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: OTP driver vulnerable to replay attack (bsc#1260900).",
      "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": "dovecot24: LDAP query injection possible if auth_username_chars is configured empty",
      "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": "dovecot23: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00294,
      "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"
  }
}