{
  "cveId": "CVE-2021-33833",
  "url": "https://patchblox.com/security/cve/CVE-2021-33833",
  "summary": "CVE-2021-33833 is fixed in 2 products on 1 platform, first by connman 1.35-6ubuntu0.1~esm1, released April 12, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "connman: ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via...",
  "description": "ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).",
  "published": "2021-06-09T01:00:00Z",
  "severity": "Medium",
  "epss": 0.02571,
  "epssPercentile": 0.8527,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "connman",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.35-6ubuntu0.1~esm1",
      "fix": "connman 1.35-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-connman-1.35-6ubuntu0.1-esm1",
      "released": "2023-04-12T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "connman",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.36-2ubuntu0.1",
      "fix": "connman 1.36-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-connman-1.36-2ubuntu0.1",
      "released": "2023-04-12T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "connman-vpn",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.35-6ubuntu0.1~esm1",
      "fix": "connman-vpn 1.35-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-connman-vpn-1.35-6ubuntu0.1-esm1",
      "released": "2023-04-12T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "connman-vpn",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.36-2ubuntu0.1",
      "fix": "connman-vpn 1.36-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-connman-vpn-1.36-2ubuntu0.1",
      "released": "2023-04-12T09:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}