{
  "cveId": "CVE-2020-35738",
  "url": "https://patchblox.com/security/cve/CVE-2020-35738",
  "summary": "CVE-2020-35738 is fixed in 2 products on 1 platform, first by libwavpack1 5.1.0-2ubuntu1.5, released December 27, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libwavpack1: WavPack 5.3.0 has an out-of-bounds write in WavpackPackSamples in pack_utils.c because of an integer overflow in a ma...",
  "description": "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 \u0022unofficial\u0022 releases through 5.3.2, which are also affected.",
  "published": "2020-12-27T20:15:00Z",
  "severity": "Medium",
  "epss": 0.01211,
  "epssPercentile": 0.6863,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libwavpack1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.1.0-2ubuntu1.5",
      "fix": "libwavpack1 5.1.0-2ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwavpack1-5.1.0-2ubuntu1.5",
      "released": "2020-12-27T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwavpack1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.2.0-1ubuntu0.1",
      "fix": "libwavpack1 5.2.0-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwavpack1-5.2.0-1ubuntu0.1",
      "released": "2020-12-27T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wavpack",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.1.0-2ubuntu1.5",
      "fix": "wavpack 5.1.0-2ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wavpack-5.1.0-2ubuntu1.5",
      "released": "2020-12-27T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wavpack",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.2.0-1ubuntu0.1",
      "fix": "wavpack 5.2.0-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-wavpack-5.2.0-1ubuntu0.1",
      "released": "2020-12-27T20:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}