{
  "schema_version": "1.4.0",
  "id": "GHSA-rjqf-qvfr-v23c",
  "modified": "2022-05-24T17:42:37Z",
  "published": "2022-05-24T17:42:37Z",
  "aliases": [
    "CVE-2021-26906"
  ],
  "details": "An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26906"
    },
    {
      "type": "WEB",
      "url": "https://downloads.asterisk.org/pub/security"
    },
    {
      "type": "WEB",
      "url": "https://downloads.asterisk.org/pub/security/AST-2021-005.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29196"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/161477/Asterisk-Project-Security-Advisory-AST-2021-005.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2021/Feb/61"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-404"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-02-18T20:15:00Z"
  }
}