Security advisory

{
  "id": "1b4cc7ad85a5c315300acacd99d0acd5298c7769029f5a85f4e90131440decc0",
  "url": "https://osv.dev/vulnerability/CVE-2018-12228",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-12228",
    "summary": "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.",
    "evidence": "osv:CVE-2018-12228",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-12228",
      "aliases": [
        "CVE-2018-12228"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/asterisk/asterisk",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d4cc63728def7ca06ad3f70547de87bc5c9ef7c0"
                },
                {
                  "fixed": "97b17a97812a5b3f30dba94cc7b3b3a2e81473e5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "15.0"
                      },
                      {
                        "fixed": "15.4.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12228.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:54.251603027Z",
      "provider": "osv",
      "references": [
        "https://issues.asterisk.org/jira/browse/ASTERISK-27807"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-12228",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438108,
  "published_at": "2018-06-12T04:29:00.33+00:00"
}