Security advisory

{
  "id": "20ba12cffb14bb88ba754f290318620efc098a4b4bd3d89d2de66710b18edee9",
  "url": "https://osv.dev/vulnerability/CVE-2020-6061",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-6061",
    "summary": "An exploitable heap out-of-bounds read vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to information leaks and other misbehavior. An attacker needs to send an HTTPS request to trigger this vulnerability.",
    "evidence": "osv:CVE-2020-6061",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-6061",
      "aliases": [
        "CVE-2020-6061"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/coturn/coturn",
              "type": "GIT",
              "events": [
                {
                  "introduced": "952c2f6e7e9430558f2c25909997bf611783a98c"
                },
                {
                  "last_affected": "952c2f6e7e9430558f2c25909997bf611783a98c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:coturn_project:coturn:4.5.1.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.5.1.1"
                      },
                      {
                        "last_affected": "4.5.1.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.5.1.1",
            "upstream/4.5.1.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6061.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:32.150433443Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQZZPI34LAS3SFNW6Z2ZJ46RKVGEODNA/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUVZRXW5ZIGWVKOLF3NPXRPP74YX7BUY/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XN2NK6FT7AMW5UIZNXDNHKEAYWAUMGSF/",
        "https://usn.ubuntu.com/4415-1/",
        "https://www.debian.org/security/2020/dsa-4711",
        "https://talosintelligence.com/vulnerability_reports/TALOS-2020-0984"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "19.10"
                  },
                  {
                    "last_affected": "19.10"
                  },
                  {
                    "introduced": "20.04"
                  },
                  {
                    "last_affected": "20.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "30"
                  },
                  {
                    "last_affected": "30"
                  },
                  {
                    "introduced": "31"
                  },
                  {
                    "last_affected": "31"
                  },
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-6061",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432948,
  "published_at": "2020-02-19T19:15:12.147+00:00"
}