{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:linphone:belle-sip:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.0.20"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d3f0651531e45e91c2e60f3a16a8b612802e5d2d"
            }
          ],
          "repo": "https://github.com/belledonnecommunications/belle-sip",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via \" \\ \" in the display name of a From header.",
  "id": "CVE-2021-43611",
  "modified": "2026-07-08T05:38:28.823881889Z",
  "published": "2021-11-12T22:15:08.707Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/BelledonneCommunications/belle-sip/commit/d3f0651531e45e91c2e60f3a16a8b612802e5d2d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/BelledonneCommunications/belle-sip/compare/5.0.18...5.0.20"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}