{
  "cveId": "CVE-2020-21596",
  "url": "https://patchblox.com/security/cve/CVE-2020-21596",
  "summary": "CVE-2020-21596 is fixed in 2 products on 1 platform, first by libde265-0 1.0.2-2ubuntu0.18.04.1~esm1, released September 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libde265-0: libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a craf...",
  "description": "libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a crafted a file.",
  "published": "2021-09-16T15:15:00Z",
  "severity": "Medium",
  "epss": 0.01492,
  "epssPercentile": 0.74286,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libde265-0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.0.2-2ubuntu0.18.04.1~esm1",
      "fix": "libde265-0 1.0.2-2ubuntu0.18.04.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libde265-0-1.0.2-2ubuntu0.18.04.1-esm1",
      "released": "2021-09-16T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libde265-0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.0.4-1ubuntu0.1",
      "fix": "libde265-0 1.0.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libde265-0-1.0.4-1ubuntu0.1",
      "released": "2022-01-10T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libde265-examples",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.0.2-2ubuntu0.18.04.1~esm1",
      "fix": "libde265-examples 1.0.2-2ubuntu0.18.04.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libde265-examples-1.0.2-2ubuntu0.18.04.1-esm1",
      "released": "2021-09-16T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libde265-examples",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.0.4-1ubuntu0.1",
      "fix": "libde265-examples 1.0.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libde265-examples-1.0.4-1ubuntu0.1",
      "released": "2022-01-10T15:15:00Z"
    }
  ],
  "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"
  }
}