{
  "cveId": "CVE-2018-12546",
  "url": "https://patchblox.com/security/cve/CVE-2018-12546",
  "summary": "CVE-2018-12546 is fixed in 4 products on 1 platform, first by libmosquitto1 1.4.15-2ubuntu0.18.04.1, released March 27, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libmosquitto1: In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has...",
  "description": "In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.",
  "published": "2019-03-27T11:29:00Z",
  "severity": "Medium",
  "epss": 0.00802,
  "epssPercentile": 0.56903,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libmosquitto1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.4.15-2ubuntu0.18.04.1",
      "fix": "libmosquitto1 1.4.15-2ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libmosquitto1-1.4.15-2ubuntu0.18.04.1",
      "released": "2019-03-27T11:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libmosquittopp1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.4.15-2ubuntu0.18.04.1",
      "fix": "libmosquittopp1 1.4.15-2ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libmosquittopp1-1.4.15-2ubuntu0.18.04.1",
      "released": "2019-03-27T11:29:00Z"
    },
    {
      "platform": "linux",
      "product": "mosquitto",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.4.15-2ubuntu0.18.04.1",
      "fix": "mosquitto 1.4.15-2ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mosquitto-1.4.15-2ubuntu0.18.04.1",
      "released": "2019-03-27T11:29:00Z"
    },
    {
      "platform": "linux",
      "product": "mosquitto-clients",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.4.15-2ubuntu0.18.04.1",
      "fix": "mosquitto-clients 1.4.15-2ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mosquitto-clients-1.4.15-2ubuntu0.18.04.1",
      "released": "2019-03-27T11:29:00Z"
    }
  ],
  "noFixYet": [],
  "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"
  }
}