{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "15.0"
              },
              {
                "fixed": "15.4.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "d4cc63728def7ca06ad3f70547de87bc5c9ef7c0"
            },
            {
              "fixed": "97b17a97812a5b3f30dba94cc7b3b3a2e81473e5"
            }
          ],
          "repo": "https://github.com/asterisk/asterisk",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in Asterisk Open Source 15.x before 15.4.1. When connected to Asterisk via TCP/TLS, if the client abruptly disconnects, or sends a specially crafted message, then Asterisk gets caught in an infinite loop while trying to read the data stream. This renders the system unusable.",
  "id": "CVE-2018-12228",
  "modified": "2026-03-13T21:48:54.032389240Z",
  "published": "2018-06-12T04:29:00.330Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://downloads.asterisk.org/pub/security/AST-2018-007.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/bid/104457"
    },
    {
      "type": "EVIDENCE",
      "url": "https://issues.asterisk.org/jira/browse/ASTERISK-27807"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}