ubuntu-cve-2021-33056
Vulnerability from osv_ubuntu
Published
2021-08-12 21:15
Modified
2026-05-20 14:53
Summary
Details

Belledonne Belle-sip before 4.5.20, as used in Linphone and other products, can crash via an invalid From header in a SIP message.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libbellesip0",
            "binary_version": "1.4.1-1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "belle-sip",
        "purl": "pkg:deb/ubuntu/belle-sip@1.4.1-1.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.1-1",
        "1.4.1-1.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libbellesip0",
            "binary_version": "1.6.3-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "belle-sip",
        "purl": "pkg:deb/ubuntu/belle-sip@1.6.3-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.1-1.1",
        "1.6.3-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libbellesip0",
            "binary_version": "1.6.3-5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "belle-sip",
        "purl": "pkg:deb/ubuntu/belle-sip@1.6.3-5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.3-5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libbellesip1",
            "binary_version": "4.4.21+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "belle-sip",
        "purl": "pkg:deb/ubuntu/belle-sip@4.4.21+dfsg-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.4.21+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libbellesip2t64",
            "binary_version": "5.2.0+dfsg-3.1build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "belle-sip",
        "purl": "pkg:deb/ubuntu/belle-sip@5.2.0+dfsg-3.1build3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.2.0+dfsg-3",
        "5.2.0+dfsg-3.1build1",
        "5.2.0+dfsg-3.1build2",
        "5.2.0+dfsg-3.1build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "bellesip-data",
            "binary_version": "5.3.105+dfsg-4"
          },
          {
            "binary_name": "libbellesip3",
            "binary_version": "5.3.105+dfsg-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "belle-sip",
        "purl": "pkg:deb/ubuntu/belle-sip@5.3.105+dfsg-4?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.3.105+dfsg-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "bellesip-data",
            "binary_version": "5.3.105+dfsg-4.1"
          },
          {
            "binary_name": "libbellesip3",
            "binary_version": "5.3.105+dfsg-4.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "belle-sip",
        "purl": "pkg:deb/ubuntu/belle-sip@5.3.105+dfsg-4.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.3.105+dfsg-4",
        "5.3.105+dfsg-4.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Belledonne Belle-sip before 4.5.20, as used in Linphone and other products, can crash via an invalid From header in a SIP message.",
  "id": "UBUNTU-CVE-2021-33056",
  "modified": "2026-05-20T14:53:21Z",
  "published": "2021-08-12T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33056"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/BelledonneCommunications/belle-sip/commit/116e3eb48fe43ea63eb9f3c4b4b30c48d58d6ff0"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/BelledonneCommunications/belle-sip/compare/4.5.15...4.5.20"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-33056"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-33056"
  ]
}



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