Security advisory

{
  "id": "4e45c11df200944b3b8ec72187afce80230d296f14a116286913e34f92d364ab",
  "url": "https://osv.dev/vulnerability/CVE-2021-38383",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-38383",
    "summary": "OwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c.",
    "evidence": "osv:CVE-2021-38383",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-38383",
      "aliases": [
        "CVE-2021-38383"
      ],
      "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/owntone/owntone-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "a597737cad8195fd8e49be90cd3d73af5014f317"
                },
                {
                  "fixed": "246d8ae0cef27377e5dfe9ee3ad87e864d6b6266"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:owntone:owntone_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "28.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "246d8ae0cef27377e5dfe9ee3ad87e864d6b6266"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "28.1",
            "28.0",
            "27.4",
            "27.3",
            "27.2",
            "27.1",
            "27.0",
            "26.5",
            "26.4",
            "26.3",
            "26.2",
            "26.1",
            "26.0",
            "25.0",
            "24.2",
            "24.1",
            "24.0",
            "23.4",
            "23.3",
            "23.2",
            "23.1",
            "23.0",
            "22.3",
            "22.2",
            "22.1",
            "22.0",
            "21.0",
            "20.0",
            "0.12",
            "0.11",
            "0.10",
            "fork_cleanedup",
            "mt-daapd_svn1696"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38383.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-38383-6412a0ab",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "69883862088875992206070454072121435311",
                    "296955952324277576804356955161755440348",
                    "175223083008064886023562321144968352866",
                    "130926764106367091829428854059996205757",
                    "84957499548747963416642342831692936628",
                    "248868820442059786475596322846775247264",
                    "213194923737254017232758755134836929171",
                    "155590839764132794216314322799956124955",
                    "153571613008920975766804110518373357793",
                    "141693835995690170305527367771402171121",
                    "128652294790855790568860063368583898438",
                    "21027190664975727016593725696109826460",
                    "179776558295180564500701855097261104778",
                    "250583707842328939104907004421961576731",
                    "245576157150302141910141729878778131604"
                  ]
                },
                "source": "https://github.com/owntone/owntone-server/commit/246d8ae0cef27377e5dfe9ee3ad87e864d6b6266",
                "target": {
                  "file": "src/misc.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:26:20Z"
          }
        }
      ],
      "modified": "2026-10-20T14:26:20.168680374Z",
      "provider": "osv",
      "references": [
        "https://github.com/owntone/owntone-server/commit/246d8ae0cef27377e5dfe9ee3ad87e864d6b6266"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-38383",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388988,
  "published_at": "2021-08-10T18:15:07.47+00:00"
}