{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.4.8"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "62ec42e0455c0ff6bebd56799b6e6d4123e37c57"
            }
          ],
          "repo": "https://github.com/aws/amazon-freertos",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Amazon FreeRTOS up to and including v1.4.8 lacks length checking in prvProcessReceivedPublish, resulting in untargetable leakage of arbitrary memory contents on a device to an attacker. If an attacker has the authorization to send a malformed MQTT publish packet to an Amazon IoT Thing, which interacts with an associated vulnerable MQTT message in the application, specific circumstances could trigger this vulnerability.",
  "id": "CVE-2019-13120",
  "modified": "2026-03-13T21:50:39.125619167Z",
  "published": "2019-10-07T22:15:10.477Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://aws.amazon.com/cn/freertos/security-updates/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}