{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.10.6"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1ff9d0a60e00c887d653805b3c6c7aa93443a05b"
            }
          ],
          "repo": "https://github.com/signalwire/freeswitch",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in function sofia_handle_sip_i_notify in sofia.c in SignalWire freeswitch before 1.10.6, may allow attackers to view sensitive information due to an uninitialized value.",
  "id": "CVE-2021-36513",
  "modified": "2026-03-15T13:52:02.747287971Z",
  "published": "2021-10-18T17:15:07.913Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.10.6"
    },
    {
      "type": "ADVISORY",
      "url": "https://newreleases.io/project/github/signalwire/freeswitch/release/v1.10.6"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/signalwire/freeswitch/issues/1245"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}