{
  "cveId": "CVE-2019-11500",
  "url": "https://patchblox.com/security/cve/CVE-2019-11500",
  "summary": "CVE-2019-11500 is fixed in 15 products on 1 platform, first by dovecot-core 1:2.2.33.2-1ubuntu4.4, released August 28, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "dovecot: Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind",
  "description": "Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. \n\nSecurity Fix(es):\n\n* dovecot: improper NULL byte handling in IMAP and ManageSieve protocol parsers leads to out of bounds writes (CVE-2019-11500)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2019-08-28T05:00:00Z",
  "severity": "Important",
  "cvss": 9.8,
  "epss": 0.62324,
  "epssPercentile": 0.99189,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dovecot",
      "release": "RHEL 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "RHSA-2019:2822",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2822",
      "released": "2019-09-20T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot",
      "release": "ol 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "ELSA-2019-2822",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2822",
      "released": "2019-09-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-core",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-core 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-core-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-devel",
      "release": "RHEL 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "RHSA-2019:2822",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2822",
      "released": "2019-09-20T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-devel",
      "release": "ol 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "ELSA-2019-2822",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2822",
      "released": "2019-09-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-gssapi",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-gssapi 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-gssapi-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-imapd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-imapd 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-imapd-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-ldap",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-ldap 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-ldap-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-lmtpd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-lmtpd 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-lmtpd-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-managesieved",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-managesieved 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-managesieved-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-mysql",
      "release": "RHEL 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "RHSA-2019:2822",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2822",
      "released": "2019-09-20T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-mysql",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-mysql 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-mysql-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-mysql",
      "release": "ol 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "ELSA-2019-2822",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2822",
      "released": "2019-09-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-pgsql",
      "release": "RHEL 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "RHSA-2019:2822",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2822",
      "released": "2019-09-20T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-pgsql",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-pgsql 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-pgsql-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-pgsql",
      "release": "ol 8",
      "fixedVersion": "1:2.2.36-5.el8_0.1",
      "fix": "ELSA-2019-2822",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2822",
      "released": "2019-09-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-pop3d",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-pop3d 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-pop3d-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-sieve",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-sieve 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-sieve-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-solr",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-solr 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-solr-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dovecot-sqlite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "dovecot-sqlite 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dovecot-sqlite-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mail-stack-delivery",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.2.33.2-1ubuntu4.4",
      "fix": "mail-stack-delivery 1:2.2.33.2-1ubuntu4.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mail-stack-delivery-1-2.2.33.2-1ubuntu4.4",
      "released": "2019-08-28T05:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}