Security advisory

{
  "id": "74d334e8126072943c6fad3a2c5f2bef5f6507e3eea2367dbd1688e552be11d7",
  "url": "https://osv.dev/vulnerability/CVE-2020-35738",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35738",
    "summary": "WavPack 5.3.0 has an out-of-bounds write in WavpackPackSamples in pack_utils.c because of an integer overflow in a malloc argument. NOTE: some third-parties claim that there are later \"unofficial\" releases through 5.3.2, which are also affected.",
    "evidence": "osv:CVE-2020-35738",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-35738",
      "aliases": [
        "CVE-2020-35738"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dbry/wavpack",
              "type": "GIT",
              "events": [
                {
                  "introduced": "350b6d7737383029573ea2cce9bd94f1b6756bbd"
                },
                {
                  "last_affected": "350b6d7737383029573ea2cce9bd94f1b6756bbd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wavpack:wavpack:5.3.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.3.0"
                      },
                      {
                        "last_affected": "5.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35738.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:22.694577769Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2YZLKYE66EU4XRHTABV5LB2G7ZDZ422F/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76B7K6F74FDQATG7FECXR5KPIG52O2VL/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PENN4ZXRPZULEJOYTTLUZMBZ5H46QTUC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VDFY4NGGDUTLVID5PNVU7LL2G2ZJLZFY/",
        "https://lists.debian.org/debian-lts-announce/2021/01/msg00013.html",
        "https://github.com/dbry/WavPack/issues/91"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-35738",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384289,
  "published_at": "2020-12-28T04:15:12.167+00:00"
}