{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.3.8"
              },
              {
                "introduced": "6.4.0"
              },
              {
                "last_affected": "6.5.1"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.6.0"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.6.1"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.7.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "a030ae538b9cd373b4e0aa808fc426b82ed24937"
            },
            {
              "introduced": "86a797bc64e7448dbfaa670ed6b8fd7b437e97c3"
            },
            {
              "last_affected": "c4ab2024ae2ceb9d122484d23eab926289d553c6"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "e05e0f9379e1324618601e3ba6111d78710e6319"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "3161c1a186595cc371830c4e651002377d4e77cc"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "714d065986fa9f6163b417d9760bf707cc237c71"
            }
          ],
          "repo": "https://github.com/mattermost/mattermost-server",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.",
  "id": "CVE-2022-2406",
  "modified": "2026-03-13T21:47:33.849177695Z",
  "published": "2022-07-14T18:15:08.367Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://mattermost.com/security-updates/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}